# Presentation: 478887

## ETL and HMT:     Activities in QPE,QPF and        Physical Process Understanding

- Dr. David Kingsmill
- University of Colorado / CIRES
- and
- NOAA Environmental Technology Laboratory
- Boulder, CO

## ETL Observing System Contributions

- 915 MHz Profilers
- 449 MHz Profilers
- GPS Integrated Water Vapor (with FSL)
- GPS Balloon Sounding
- S-band Profilers
- Precipitation Disdrometers
- Scanning X-band Polarimetric Doppler Radar
- Scanning C-band Doppler Radar
- Surface Meteorology, including Precipitation Gauges
- Soil Moisture Sensors

- Ground-Based

- Airborne

- Polarimetric Scanning Radiometers
- Optical Array Probe (2DC)

## Fort Ross, CA Instrumentation

**X-band radar antenna**

**X-band radar trailer**

**S-band**
**radar**

**Diesel**
**generator**

**10-m met. tower**

**Fort Ross, CA Instrumentation**

**S-band radar**
**and balloon sounding trailer**

*Matrosov et al (2005), J. Hydromet*.

**QPE**

## Mountain Mapper QPF Output

**Mountain**** ****Mapper QPF Output**

**Relationship Between Upslope Flow **
**and Precipitation**

*Neiman et al (2002), MWR*

## Evaluation of Forecast Snow Level

**Evaluation of Forecast Snow Level**

## Precipitation Process Partitioning  (White et al. 2003, J. Hydromet)

**Precipitation Process Partitioning ** (*White et al. 2003, J. Hydromet*)

## Atmospheric Rivers  (Ralph et al. 2004, MWR)

**CZD**

**IWV (cm)**

**Atmospheric Rivers  ****(***Ralph et al. 2004, MWR***)**

**SSMI**

## 14-20 February 2004

**IWV (cm)**

**IWV (inches)**

**14-20 February 2004**

## Soil Moisture Mapping

**Soil Moisture Mapping**

**Ground based In Situ**

**Airborne **
**Polarimetric Scanning Radiometer**

**Contrasting soil moisture time series from ground based in situ sensors for Russian River flood case**

**Patterns of volumetric soil moisture content measured by airborne polarimetric scanning radiometer over central Oklahoma.**

## HMT-WEST:  American River Basin 2005-2008 

- HMT-WEST:  American River Basin 2005-2008

## Coastal Gap-Filling X-band Radar vs. WSR-88D

- X-band

- 0        5       10     15      20      25     30
- Reflectivity (dBZ) at 0.5 deg elevation

- WSR-88D radar at KMUX
- 0102 UTC 14 Jan 03

- KMUX

- 10

- 20

- 30

- 40

- 50

- 60 km

- NOAA/ETL X-band radar at FRS
- 0059 UTC 14 Jan 03

- Reflectivity (dBZ) at 1.0 deg elevation

- 0          10           20          30          40         50

**Coastal Gap-Filling X-band Radar vs. WSR-88D**

**Nearest NEXRAD radar sees no significant echoes approaching flood-prone watershed**

**NOAA/ETL’s Coastal X-band radar fills NEXRAD gap**

## ETL Observing System Contributions

- HMT:  Hydro-Meteorological Testbed         Wx-Clim:  Weather-Climate Connection
- CCOS:	Central California Ozone Study       Prof-Eval:  Profiler Evaluation Study

|  |  | Commitment |  |  |
| --- | --- | --- | --- | --- |
| Observing System | Project | 2005
> 90 % | 2006
> 90 % | Possible
Additions |
| 915 MHz Profiler | HMT, Wx-Clim,
CCOS, Prof-Eval | 7 | 7 | 0 |
| S-band Profiler / 
JW Disdrometer | HMT, Wx-Clim | 2 | 2 | 1 |
| GPS IWV | Wx-Clim | 2 | 3 | 1 |
| Scanning X-band Polarimetric Radar | HMT | 0 | 1 | 0 |
| Precip. Gauge / 
Soil Moisture | HMT | 6 | 6 | 10 |
| GPS Balloon Sounding | HMT | 0 | 1 | 0 |
| 449 MHz Profiler | Wx-Clim | 0 | 0 | 1 |
| Scanning C-band Doppler Radar | HMT | 0 | 0 | 1 |

## CZD

**CZD**

**IWV >2 cm**

## Winter Storm Warning Issued Based on PACJET-2002 Melting-Level Data

- Newport, OR profiler detected a lower snow level than had been expected (2700 ft vs 4000 ft).
- This caused Portland NWS to change from a Snow Advisory to a Winter Storm Warning.

- Expected
- snow level

- White et al. (2002),
*J. Atmos. Ocean. Tech.*

## HMT-2004

- BBY = Bodega Bay
- BSC = Big Sulfur Creek
- CVD = Cloverdale
- CZC = Cazadero
- FRS = Fort Ross
- GRK = Goat Rock

_**HMT-2004**_
**A Hydrometeorological Testbed (HMT)  for the Russian River Watershed**

- HBG = Healdsburg
- HLD = Hopland
- LSN = Lake Sonoma
- ROD = Rio Dell
- SPT = Salt Point

## Slide 18