Alert archive / Texas / Flash Flood Warnings in 2011
Flash Flood Warning 1, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Mar 18, 2011, 9:55 PM CDT for Howard County, Martin County, Texas. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 18, 2011, 9:55 PM CDT (02:55 UTC)
- Expired
- Mar 19, 2011, 1:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Howard County, TX, Martin County, TX
The radar
The Midland/Odessa radar (KMAF), 82 km from the middle of the area, began a volume at 02:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 18, 9:55 PM CDT | FLASH FLOOD | Big Spring, TX | CARS UNDERWATER. SEVERAL STREETS CLOSED. WEST SIDE OF TOWN WITHOUT POWER. |
| Mar 18, 11:08 PM CDT | FLASH FLOOD | Big Spring, TX | SEVERAL STREETS IN BIG SPRING FLOODED AND BARRICADED DUE TO HIGH WATER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 2.9 hours before the alert went out and 83 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
- 456 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 3058 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
623 WGUS54 KMAF 190255 FFWMAF TXC227-317-190600- /O.NEW.KMAF.FF.W.0001.110319T0255Z-110319T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 955 PM CDT FRI MAR 18 2011 THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A * FLASH FLOOD WARNING FOR... HOWARD COUNTY IN WEST TEXAS... EASTERN MARTIN COUNTY IN WEST TEXAS... * UNTIL 100 AM CDT * AT 950 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED FLASH FLOODING FROM A THUNDERSTORM NEAR BIG SPRING...MOVING NORTHEAST AT 15 MPH. * THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING LOCATIONS... MIDWAY... SAND SPRINGS... FAIRVIEW... COAHOMA... LUTHER... VINCENT... 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 3250 10119 3211 10118 3210 10183 3242 10182 $$
1 follow-up statement
484 WGUS74 KMAF 190414 FFSMAF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 1114 PM CDT FRI MAR 18 2011 TXC227-317-190600- /O.CON.KMAF.FF.W.0001.000000T0000Z-110319T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HOWARD-MARTIN- 1114 PM CDT FRI MAR 18 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR EASTERN MARTIN AND HOWARD COUNTIES... AT 1108 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SEVERAL STREETS IN BIG SPRING CLOSED DUE TO FLOODING. ALTHOUGH THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA...FLOODING WILL PERSIST FOR THE NEXT FEW HOURS. MOTORISTS ARE URGED TO USE CAUTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOST FLOODING DEATHS ARE PREVENTABLE...AND MANY OCCUR WHEN MOTORISTS DRIVE ACROSS FLOODED ROADWAYS. IT IS NEVER SAFE TO DRIVE ON FLOODED ROADS. IT TAKES ONLY A FEW INCHES OF RAPIDLY FLOWING WATER TO QUICKLY CARRY AWAY YOUR VEHICLE. TURN AROUND... DONT DROWN. && LAT...LON 3250 10119 3211 10118 3210 10183 3242 10182 $$
The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 7:28 PM CDT | Severe Thunderstorm Warning | MAF | Ector | 62 min |
| Mar 18, 9:27 PM CDT | Areal Flood Advisory | MAF | Howard | 3 hr |
| Mar 19, 5:12 AM CDT | Fire Weather Watch | MAF | 48 hr | |
| Mar 19, 5:12 AM CDT | Red Flag Warning | MAF | 38 hr |
Nearby
Flash Flood Warnings in Texas, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.