Alert archive / Texas / Flash Flood Warnings in 2009
Flash Flood Warning 21, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at May 30, 2009, 6:28 PM CDT for Terrell County, Texas. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 30, 2009, 6:28 PM CDT (23:28 UTC)
- Expired
- May 30, 2009, 8:01 PM CDT
- In force
- 93 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Terrell County, TX
The radar
The Midland/Odessa radar (KMAF), 157 km from the middle of the area, began a volume at 23:33 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.5 hours before the alert went out and 157 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1284 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KMAF 302328
FFWMAF
TXC443-310230-
/O.NEW.KMAF.FF.W.0021.090530T2328Z-090531T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
628 PM CDT SAT MAY 30 2009
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL TERRELL COUNTY IN SOUTHWEST TEXAS...
* UNTIL 930 PM CDT
* AT 623 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
FLASH FLOODING FROM A THUNDERSTORM OVER NORTH CENTRAL TERRELL
COUNTY...ABOUT 16 MILES SOUTHWEST OF SHEFFIELD...MOVING EAST AT
5 MPH.
* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...
FM 2400 FROM THE JUNCTION WITH TEXAS 349 SOUTHWEST 15 MILES...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOODING DEATHS ARE PREVENTABLE... AND MANY OCCUR WHEN MOTORISTS
DRIVE ACROSS FLOODED ROADWAYS. IT IS NEVER SAFE TO DRIVE ON FLOODED
ROADS. IT ONLY TAKES A FEW INCHES OF RAPIDLY FLOWING WATER TO QUICKLY
CARRY AWAY YOUR VEHICLE. TURN AROUND... DONT DROWN.
&&
LAT...LON 3049 10209 3055 10213 3059 10212 3062 10204
3059 10198 3051 10194 3048 10197
$$1 follow-up statement
000
WGUS74 KMAF 310101
FFSMAF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
801 PM CDT SAT MAY 30 2009
TXC443-310111-
/O.CAN.KMAF.FF.W.0021.000000T0000Z-090531T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TERRELL-
801 PM CDT SAT MAY 30 2009
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL
TERRELL COUNTY...
AT 801 PM CDT...THE CONDITIONS LEADING TO THE ISSUANCE OF A FLASH
FLOOD WARNING HAD CEASED...REMOVING THE THREAT OF FLASH FLOODING OVER
THE WARNED AREA. THEREFORE THE FLASH FLOOD WARNING IS CANCELLED.
LAT...LON 3049 10209 3055 10213 3059 10212 3062 10204
3059 10198 3051 10194 3048 10197
$$
70The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 4:14 PM CDT | Flash Flood Warning | MAF | Pecos | 80 min |
| May 30, 5:05 PM CDT | Severe Thunderstorm Warning | MAF | Pecos, Terrell | 31 min |
| May 30, 5:20 PM CDT | Flash Flood Warning | MAF | Pecos, Terrell | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2009Every flash flood warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.