sweetapricity/bridgedeck-noaa huggingface dataset:
With parts of the northern and western combined TX and OK Panhandles receiving several inches of snow concluding earlier that day on the 30th, antecedent conditions were present, even though some snow melt did occur earlier in the day. Combined that with northwesterly flow continuing to advect cold air into the region with winds exceeding 50 kts the evening on the 30th with light and variable winds with mostly clear skies by overnight 30th into the 1st, temperatures were able to drop meeting freeze warning criteria up in the northwestern combined Panhandles.

Frost/Freeze in DALLAM, TEXAS
From 01-MAY-17 00:00:00 to 01-MAY-17 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Frost/Freeze in HARTLEY, TEXAS
From 01-MAY-17 00:00:00 to 01-MAY-17 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Frost/Freeze in SHERMAN, TEXAS
From 01-MAY-17 00:00:00 to 01-MAY-17 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Frost/Freeze in HANSFORD, TEXAS
From 01-MAY-17 00:00:00 to 01-MAY-17 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Frost/Freeze in ROBERTS, TEXAS
From 01-MAY-17 02:00:00 to 01-MAY-17 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Frost/Freeze in HEMPHILL, TEXAS
From 01-MAY-17 04:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Frost/Freeze in RANDALL, TEXAS
From 01-MAY-17 03:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Frost/Freeze in POTTER, TEXAS
From 01-MAY-17 03:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Frost/Freeze in CARSON, TEXAS
From 01-MAY-17 02:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Frost/Freeze in ARMSTRONG, TEXAS
From 01-MAY-17 03:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Frost/Freeze in DEAF SMITH, TEXAS
From 01-MAY-17 04:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Frost/Freeze in DONLEY, TEXAS
From 01-MAY-17 04:00:00 to 01-MAY-17 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS
Strong and gusty winds developed during the afternoon and evening hours across much of southern Arizona in response to a strong weather system approaching from the west. Gusty winds over 40 mph were widespread over the deserts and resulted in the issuances of Blowing Dust Advisories as well as Dust Storm Warnings. Patchy dense blowing dust with visibilities below one quarter of a mile were observed in La Paz county. Gusty winds at least 40 mph caused a tree to be downed in the greater Phoenix area during the evening hours.

Strong Wind in GREATER PHOENIX AREA, ARIZONA
From 30-MAR-17 21:24:00 to 30-MAR-17 21:25:00 (MST-7)
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong gusty winds developed across the greater Phoenix area during the evening hours on March 30th due to an approaching strong weather system. The strong gusts caused areas of blowing dust and led to the issuances of blowing dust advisories and wind advisories. At 2124MST a trained spotter 5 miles northwest of Deer Valley reported that winds gusts estimated to be at least 40 mph downed a 20 inch diameter tree in far north Phoenix.

Dust Storm in WEST CENTRAL DESERTS, ARIZONA
From 30-MAR-17 19:00:00 to 30-MAR-17 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong gusty winds developed across the western deserts during the afternoon and evening hours associated with a weather system approaching from the west. Wind gusts of 40 mph or greater caused widespread blowing dust which was locally very dense. At about 1920MST, two trained weather spotters in the town of Wenden reported dense blowing dust which resembled dust storm conditions. One spotter reported visibility below one half mile, and a second reported visibility below one quarter of a mile on Highway 60 in Wenden. No accidents were reported due to the dense blowing dust. No Dust Storm Warnings were issued rather a Blowing Dust Advisory was issued to cover the situation.
Thunderstorms developed over northern Illinois, some of which produced severe hail.

Hail in COOK, ILLINOIS
From 20-MAR-17 00:40:00 to 20-MAR-17 00:40:00 (CST-6)
Location: ELGIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in DU PAGE, ILLINOIS
From 20-MAR-17 00:48:00 to 20-MAR-17 00:52:00 (CST-6)
Location: CAROL STREAM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickle to quarter size hail was reported via mPing.

Hail in DU PAGE, ILLINOIS
From 20-MAR-17 00:55:00 to 20-MAR-17 00:55:00 (CST-6)
Location: BUTTERFIELD WEST
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 20-MAR-17 00:56:00 to 20-MAR-17 00:56:00 (CST-6)
Location: SCHAUMBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WILL, ILLINOIS
From 20-MAR-17 01:28:00 to 20-MAR-17 01:28:00 (CST-6)
Location: BARBERS CORNERS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in COOK, ILLINOIS
From 20-MAR-17 01:42:00 to 20-MAR-17 01:42:00 (CST-6)
Location: LAMBERT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in COOK, ILLINOIS
From 20-MAR-17 01:45:00 to 20-MAR-17 01:45:00 (CST-6)
Location: OAK LAWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WILL, ILLINOIS
From 20-MAR-17 02:18:00 to 20-MAR-17 02:18:00 (CST-6)
Location: CRETE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WILL, ILLINOIS
From 20-MAR-17 02:25:00 to 20-MAR-17 02:28:00 (CST-6)
Location: ROMEOVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Hail in FORD, ILLINOIS
From 20-MAR-17 04:12:00 to 20-MAR-17 04:12:00 (CST-6)
Location: GIBSON CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LIVINGSTON, ILLINOIS
From 20-MAR-17 10:00:00 to 20-MAR-17 10:05:00 (CST-6)
Location: PONTIAC
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Three reports of nickel to quarter size hail came in from Pontiac.

Hail in IROQUOIS, ILLINOIS
From 20-MAR-17 10:05:00 to 20-MAR-17 10:05:00 (CST-6)
Location: LEONARD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in IROQUOIS, ILLINOIS
From 20-MAR-17 10:28:00 to 20-MAR-17 10:31:00 (CST-6)
Location: LEONARD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in LIVINGSTON, ILLINOIS
From 20-MAR-17 10:43:00 to 20-MAR-17 10:43:00 (CST-6)
Location: CHATSWORTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in FORD, ILLINOIS
From 20-MAR-17 11:06:00 to 20-MAR-17 11:06:00 (CST-6)
Location: PIPER CITY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager
A quick-moving system on Sunday night, March 12 into early Monday, March 13, brought widespread snow, then lake effect snow started Monday night and persisted through Tuesday, March 14.  This lake effect snow was oriented into northeast Illinois for a lengthy period, which is rare as Michigan and northwest Indiana are typically the more favored locations for lake effect snow.
The first round of snow caused impacts to the Monday morning commute, while the next lake effect round brought major impacts to the Tuesday morning commute.
Some of the highest snowfall totals include: 16.1 inches two miles north of Waukegan (Lake County), 13.2 inches two miles north of Buffalo Grove (Lake County), 10.5 inches two miles north-northwest of Burnham-Hegewisch (Cook County), and 10.5 inches in Homewood (Cook County).

Lake-Effect Snow in LAKE, ILLINOIS
From 13-MAR-17 18:00:00 to 14-MAR-17 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Lake-Effect Snow in COOK, ILLINOIS
From 13-MAR-17 18:00:00 to 14-MAR-17 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations
A cold front moved through the MTR CWA the night of Saturday March 4th producing steady rain and isolated thunderstorms into Sunday. This system resulted in minor roadway flooding, a debris flow, and pea sized hail.

Flood in SAN FRANCISCO, CALIFORNIA
From 04-MAR-17 20:43:00 to 04-MAR-17 21:43:00 (PST-8)
Location: OCEAN VIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding Us 101 N at Cesar Chavez St offramp.

Flood in ALAMEDA, CALIFORNIA
From 04-MAR-17 20:45:00 to 04-MAR-17 21:45:00 (PST-8)
Location: EMERYVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding at 3601 Telegraph Ave.

Flood in SAN FRANCISCO, CALIFORNIA
From 04-MAR-17 20:51:00 to 04-MAR-17 21:51:00 (PST-8)
Location: OCEAN VIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding I-280 S Ocean Ave Offramp, 2 inches of standing water across all lanes.

Flood in SAN FRANCISCO, CALIFORNIA
From 04-MAR-17 21:09:00 to 04-MAR-17 22:09:00 (PST-8)
Location: CRISSY AAF
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding reported at I80E at Treasure Island offramp near San Francisco.

Flood in ALAMEDA, CALIFORNIA
From 04-MAR-17 22:38:00 to 04-MAR-17 23:38:00 (PST-8)
Location: DOUGHERTY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding I-580 S connector to I-680. Both lanes flooded on connector.

Debris Flow in CONTRA COSTA, CALIFORNIA
From 04-MAR-17 22:32:00 to 04-MAR-17 23:32:00 (PST-8)
Location: CLAYTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Mud/rock slide on Marsh Creek Road near Morgan Territory Road. Large boulders in roadway.

Hail in SAN FRANCISCO, CALIFORNIA
From 05-MAR-17 07:10:00 to 05-MAR-17 07:15:00 (PST-8)
Location: SAN FRANCISCO
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SANTA CLARA, CALIFORNIA
From 05-MAR-17 09:56:00 to 05-MAR-17 10:06:00 (PST-8)
Location: LOS GATOS
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SONOMA, CALIFORNIA
From 05-MAR-17 15:10:00 to 05-MAR-17 15:20:00 (PST-8)
Location: MARK WEST
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Debris Flow in ALAMEDA, CALIFORNIA
From 05-MAR-17 19:32:00 to 05-MAR-17 20:32:00 (PST-8)
Location: FAIRMONT TERRACE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Small land slide on Redwood Road in Anthony Chabot Park.
Gusty southerly wind along with 2 to 3 foot seas led to rip currents in Palm Beach. One of these rip currents caused 4 people to be taken to a local hospital after being rescued by lifeguards.

Rip Current in COASTAL PALM BEACH COUNTY, FLORIDA
From 13-MAY-17 15:30:00 to 13-MAY-17 15:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Media reported a group of county lifeguards rescued four people in distress caught in a rip current. Two people were originally caught in the rip current when two others became caught while trying to assist them. All four swimmers were taken to nearby hospitals to recover.
A warm front brought heavy mountain snow that caused high impact to area passes.

Heavy Snow in BITTERROOT / SAPPHIRE MOUNTAINS, MONTANA
From 07-MAR-17 21:00:00 to 08-MAR-17 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The Lolo Pass Visitor center reported up to 18 inches of snow during the event while Lost Trail Pass saw up to 6 inches.

Winter Weather in POTOMAC / SEELEY LAKE REGION, MONTANA
From 07-MAR-17 22:00:00 to 08-MAR-17 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts during this storm include: 5 to 8 inches in the Seeley and Swan valleys, 3.3 inches in Condon and 11 inches at the top of Snowbowl Ski Resort. Roads conditions were mainly snow and ice.

Heavy Snow in LOWER CLARK FORK REGION, MONTANA
From 07-MAR-17 19:00:00 to 08-MAR-17 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Difficult travel due to heavy snow occurred from Lookout Pass to Haugen along Interstate 90. Montana Department of Transportation listed Taft to Lookout Pass as severe driving conditions between 948 pm on the 7th to 522 am MST on the 8th.
Heavy rain caused 3 landslides that closed roads near Sumner, Federal Way and Buckley, WA.

Debris Flow in PIERCE, WASHINGTON
From 16-MAR-17 00:00:00 to 16-MAR-17 00:00:00 (PST-8)
Location: EDGEWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The Tacoma News Tribune reported a landslide over the West Valley Highway, north of Sumner, between 24 St E and Jovita Blvd E.

Debris Flow in PIERCE, WASHINGTON
From 16-MAR-17 00:00:00 to 16-MAR-17 00:00:00 (PST-8)
Location: SOUTH PRAIRIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The Tacoma News Tribune reported a landslide near Buckley, WA at 239 Ave E and South Prairie Rd.

Debris Flow in KING, WASHINGTON
From 16-MAR-17 00:00:00 to 16-MAR-17 00:00:00 (PST-8)
Location: ADELAIDE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The Tacoma News Tribune reported a landslide in Federal Way over the 2800 block of Dash Point Road.
An isolated severe storm developed over Saint Landry Parish producing damage.

Hail in ST. LANDRY, LOUISIANA
From 01-MAR-17 16:21:00 to 01-MAR-17 16:21:00 (CST-6)
Location: OPELOUSAS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A picture of quarter size hail was posted to social media.

Thunderstorm Wind in ST. LANDRY, LOUISIANA
From 01-MAR-17 15:59:00 to 01-MAR-17 15:59:00 (CST-6)
Location: SWORDS
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

Power lines were downed and some damage was sustained to outbuilding near Lawtell.

Thunderstorm Wind in ST. LANDRY, LOUISIANA
From 01-MAR-17 16:03:00 to 01-MAR-17 16:03:00 (CST-6)
Location: LEWISBURG
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A portion of metal roof was removed from a barn.
A line of thunderstorms moved across Southeast Texas producing one report of damage.

Thunderstorm Wind in JEFFERSON, TEXAS
From 25-MAR-17 06:30:00 to 25-MAR-17 06:30:00 (CST-6)
Location: AMELBULK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A picture was sent in of a free standing metal tower bent from winds during a thunderstorm.
A line of thunderstorms ahead of a cold front moved across South Louisiana producing a few reports of hail and wind damage.

Hail in LAFAYETTE, LOUISIANA
From 25-MAR-17 09:06:00 to 25-MAR-17 09:06:00 (CST-6)
Location: YOUNGSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. MARTIN, LOUISIANA
From 25-MAR-17 09:36:00 to 25-MAR-17 09:36:00 (CST-6)
Location: ISLE LABBE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. MARTIN, LOUISIANA
From 25-MAR-17 10:17:00 to 25-MAR-17 10:17:00 (CST-6)
Location: CATAHOULA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny sized hail with winds of 40 to 50 MPH was reported near Catahoula.

Thunderstorm Wind in CALCASIEU, LOUISIANA
From 25-MAR-17 07:03:00 to 25-MAR-17 07:03:00 (CST-6)
Location: VINTON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Public

A couple of trees were downed near Vinton.
Roofing material was blown onto Main Street in Blackfoot when a microbust struck a warehouse building owned by Blacker's Furniture Store.    It tied up traffic for a very short time.

Thunderstorm Wind in BINGHAM, IDAHO
From 31-MAY-17 15:00:00 to 31-MAY-17 15:25:00 (MST-7)
Location: BLACKFOOT
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Newspaper

Roofing material was blown onto Main Street in Blackfoot when a microbust struck a warehouse building owned by Blacker's Furniture Store.    It tied up traffic for a very short time.
An unusually powerful low pressure system and cold front brought high west to southwest winds ahead of it and high north winds behind it as it tracked through the southern Great Basin and the Mojave Desert.

High Wind in ESMERALDA/CENTRAL NYE, NEVADA
From 30-MAR-17 11:50:00 to 30-MAR-17 14:00:00 (PST-8)
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The peak gust occurred 44 miles ENE of Beatty.

High Wind in LAKE MEAD/LAKE MOHAVE NATIONAL RECREATION AREA, NEVADA
From 30-MAR-17 12:45:00 to 30-MAR-17 15:30:00 (PST-8)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The peak gust occurred at Cottonwood Cove.

High Wind in LAS VEGAS VALLEY, NEVADA
From 30-MAR-17 12:50:00 to 30-MAR-17 16:49:00 (PST-8)
Magnitude: 58.00 MG
Property damage: 1.50M
Crop damage: 0.00K
Reported by: Broadcast Media

The peak gust occurred at Nellis AFB. There was widespread damage to trees, power poles and lines, street lights, and billboards. Some of the trees and poles damaged homes and cars. There were also numerous power outages.

High Wind in WESTERN CLARK/SOUTHERN NYE, NEVADA
From 30-MAR-17 13:24:00 to 30-MAR-17 14:00:00 (PST-8)
Magnitude: 51.00 MG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The peak gust occurred at Ash Meadows Wildlife Refuge. Three power poles were blown down in Pahrump.

High Wind in SPRING MOUNTAINS, NEVADA
From 30-MAR-17 13:34:00 to 30-MAR-17 14:59:00 (PST-8)
Magnitude: 71.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The peak gust occurred at Red Rock Canyon.
Cool temperatures contributed to the death of one man in Las Vegas.

Cold/Wind Chill in LAS VEGAS VALLEY, NEVADA
From 06-MAR-17 00:00:00 to 06-MAR-17 12:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Chilly temperatures contributed to the death of one man in Las Vegas.
Thunderstorms dropped hail up 1.5 in diameter in the Brainerd Lakes region on March 6th.

Hail in CROW WING, MINNESOTA
From 06-MAR-17 16:39:00 to 06-MAR-17 16:39:00 (CST-6)
Location: LAKE HUBERT
Magnitude: 0.75 
Reported by: Trained Spotter

There were a few hailstones up to the size of pennies, but most were smaller than pennies.

Hail in CROW WING, MINNESOTA
From 06-MAR-17 17:10:00 to 06-MAR-17 17:10:00 (CST-6)
Location: BAXTER
Magnitude: 1.50 
Reported by: Trained Spotter

There were hailstones ranging from 1 to 1.5 inches in diameter.
A severe storm produced hail up to the size of quarters.

Hail in KIOWA, COLORADO
From 15-MAY-17 15:30:00 to 15-MAY-17 15:35:00 (MST-7)
Location: EADS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KIOWA, COLORADO
From 15-MAY-17 15:45:00 to 15-MAY-17 15:50:00 (MST-7)
Location: EADS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public
Canadian high pressure built overhead from the west. Radiational cooling led to chilly conditions. Temperatures dropped below freezing for portions of the Shenandoah Valley and Potomac Highlands.

Frost/Freeze in WESTERN HIGHLAND, VIRGINIA
From 09-MAY-17 01:00:00 to 09-MAY-17 13:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.

Frost/Freeze in EASTERN HIGHLAND, VIRGINIA
From 09-MAY-17 01:00:00 to 09-MAY-17 13:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.

Frost/Freeze in ROCKINGHAM, VIRGINIA
From 09-MAY-17 01:00:00 to 09-MAY-17 13:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.

Frost/Freeze in SHENANDOAH, VIRGINIA
From 09-MAY-17 01:00:00 to 09-MAY-17 13:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.

Frost/Freeze in AUGUSTA, VIRGINIA
From 09-MAY-17 01:00:00 to 09-MAY-17 13:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.
Canadian high pressure built overhead from the west. Radiational cooling led to chilly conditions. Temperatures dropped below freezing for portions of western Maryland.

Frost/Freeze in CENTRAL AND EASTERN ALLEGANY, MARYLAND
From 09-MAY-17 01:00:00 to 09-MAY-17 09:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.

Frost/Freeze in EXTREME WESTERN ALLEGANY, MARYLAND
From 09-MAY-17 01:00:00 to 09-MAY-17 09:00:00 (EST-5)
Reported by: Mesonet

Temperatures were estimated to be below freezing based on observations nearby.
High pressure caused mainly clear skies and light winds. This allowed for areas of dense fog to develop.

Dense Fog in WASHINGTON, MARYLAND
From 27-MAY-17 23:53:00 to 28-MAY-17 05:37:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Visibility was estimated to be around one-quarter mile based on observations nearby.

Dense Fog in FREDERICK, MARYLAND
From 28-MAY-17 00:50:00 to 28-MAY-17 05:47:00 (EST-5)
Reported by: AWOS

Visibility was estimated to be around one-quarter mile based on observations nearby.

Dense Fog in CARROLL, MARYLAND
From 28-MAY-17 00:10:00 to 28-MAY-17 03:10:00 (EST-5)
Reported by: AWOS

Visibility was estimated to be around one-quarter mile based on observations nearby.

Dense Fog in CENTRAL AND EASTERN ALLEGANY, MARYLAND
From 27-MAY-17 22:53:00 to 28-MAY-17 06:13:00 (EST-5)
Reported by: AWOS

Visibility was estimated to be around one-quarter mile based on observations nearby.

Dense Fog in EXTREME WESTERN ALLEGANY, MARYLAND
From 27-MAY-17 22:53:00 to 28-MAY-17 06:13:00 (EST-5)
Reported by: AWOS

Visibility was estimated to be around one-quarter mile based on observations nearby.