A severe weather outbreak occurred on February 28th and lasted into the early morning hours of March 1st 2017.  Four tornadoes were documented to have occurred in the National Weather Service St. Louis County Warning Area, including a portion of the long track tornado that caused damage north of Perryville, MO.   Hail and wind reports were noted with many of the storms.

Hail in WASHINGTON, MISSOURI
From 28-FEB-17 15:25:00 to 28-FEB-17 15:40:00 (CST-6)
Location: LATTY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, MISSOURI
From 28-FEB-17 15:55:00 to 28-FEB-17 15:55:00 (CST-6)
Location: VALLES MINES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in LINCOLN, MISSOURI
From 28-FEB-17 16:07:00 to 28-FEB-17 16:11:00 (CST-6)
Location: ELSBERRY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CRAWFORD, MISSOURI
From 28-FEB-17 16:12:00 to 28-FEB-17 16:15:00 (CST-6)
Location: CHERRYVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Golfball sized hail caused extensive siding and roof damage to several homes in Cherryville.

Hail in WASHINGTON, MISSOURI
From 28-FEB-17 16:45:00 to 28-FEB-17 16:45:00 (CST-6)
Location: RICHWOODS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 28-FEB-17 17:15:00 to 28-FEB-17 17:20:00 (CST-6)
Location: OAKVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Hail in JEFFERSON, MISSOURI
From 28-FEB-17 16:55:00 to 28-FEB-17 17:15:00 (CST-6)
Location: FRUMET
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wide swath of large hail, up to golfball size, fell across portions of Jefferson County from Fletcher north northeast to just north of Hillsboro and just south of Arnold.

Hail in ST. LOUIS (C), MISSOURI
From 28-FEB-17 17:18:00 to 28-FEB-17 17:24:00 (CST-6)
Location: CARONDELET
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail up to the size of golfballs fell across the far southern portions of the city, in the Carondelet area.

Hail in CRAWFORD, MISSOURI
From 28-FEB-17 17:15:00 to 28-FEB-17 17:15:00 (CST-6)
Location: VIVIAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHINGTON, MISSOURI
From 28-FEB-17 17:23:00 to 28-FEB-17 17:23:00 (CST-6)
Location: OLD MINES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, MISSOURI
From 28-FEB-17 17:25:00 to 28-FEB-17 17:25:00 (CST-6)
Location: HEMATITE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ST. FRANCOIS, MISSOURI
From 28-FEB-17 19:08:00 to 28-FEB-17 19:08:00 (CST-6)
Location: IRON MTN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds blew off some roofing from a building on the southeast side of Iron Mountain Lake.

Hail in JEFFERSON, MISSOURI
From 28-FEB-17 17:55:00 to 28-FEB-17 17:55:00 (CST-6)
Location: RUSH TOWER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Tornado in REYNOLDS, MISSOURI
From 28-FEB-17 18:40:00 to 28-FEB-17 18:48:00 (CST-6)
Location: CENTERVILLE
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A tornado touched down along Horse Shoe Ranch Road with minor tree damage noted. It continued north northeast and caused damage to many trees and a camper on a property north of Horse Shoe Ranch Road.  This damage was rated EF1 due to the number and size of trees that were snapped off, blown over and tops shredded.  The tornado then continued to Missouri Highway 21 where some trees were topped and blown over. The tornado lifted about a mile east northeast of this location. The tornado was rated EF1 with a path length of 4.36 miles and max path width of 80 yards.

Tornado in MADISON, MISSOURI
From 28-FEB-17 19:16:00 to 28-FEB-17 19:22:00 (CST-6)
Location: SILVER MINE
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A tornado touched down near Madison County Road 535 just north of intersection with Madison County Road 524 causing EF0 tree damage.  It moved east northeast crossing Highway 72 west of Madison County 9534 with minor tree damage noted. It continued northeast to a cemetery where more trees were topped and snapped.  Several of the gravestones were either moved or knocked over. The tornado continued northeast across Missouri Highway K causing tree damage and structural damage to a large hay barn.  This damage was also rated EF0.  The tornado lifted near Madison County Road 529. Overall the tornado was rated EF0 with a path length of 4.44 miles and maximum path width of 50 yards.

Thunderstorm Wind in MONROE, MISSOURI
From 28-FEB-17 20:30:00 to 28-FEB-17 20:30:00 (CST-6)
Location: MONROE CITY
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, MISSOURI
From 28-FEB-17 20:46:00 to 28-FEB-17 20:50:00 (CST-6)
Location: MUNGERS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm Wind in MADISON, MISSOURI
From 28-FEB-17 21:20:00 to 28-FEB-17 21:20:00 (CST-6)
Location: BUCKHORN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew down several large trees around town.

Hail in BOONE, MISSOURI
From 28-FEB-17 23:20:00 to 28-FEB-17 23:20:00 (CST-6)
Location: MIDWAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MONROE, MISSOURI
From 28-FEB-17 20:05:00 to 28-FEB-17 20:30:00 (CST-6)
Location: GRANVILLE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MARION, MISSOURI
From 28-FEB-17 20:50:00 to 28-FEB-17 20:50:00 (CST-6)
Location: MUNGERS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds blew shingles off of a roof as well as a few boards off of a barn northwest of Hannibal.

Hail in CRAWFORD, MISSOURI
From 28-FEB-17 14:44:00 to 28-FEB-17 14:50:00 (CST-6)
Location: COOK STATION
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media