Alert archive / Texas / Flash Flood Watches in 2021
Flash Flood Watch 4, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood watch at Jul 4, 2021, 1:40 PM CDT for 6 counties in Texas. It took effect at Jul 5, 2021, 12:00 AM CDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2021, 1:40 PM CDT (18:40 UTC)
- In effect from
- Jul 5, 2021, 12:00 AM CDT
- Expired
- Jul 5, 2021, 6:00 PM CDT
- In force
- 18 hr
- Issued by
- NWS Midland/Odessa, TX
- Flood severity
- None
Counties Borden County, TX, Dawson County, TX, Howard County, TX, Martin County, TX, Mitchell County, TX, Scurry County, TX
The radar
The Midland/Odessa radar (KMAF), 96 km from the middle of the area, began a volume at 18:40 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, 6.7 hours before the alert went out and 96 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
- 180 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1091 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
028 WGUS64 KMAF 041840 FFAMAF URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Midland/Odessa TX 140 PM CDT Sun Jul 4 2021 TXZ046>048-051>053-051000- /O.NEW.KMAF.FF.A.0004.210705T0500Z-210705T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dawson-Borden-Scurry-Martin-Howard-Mitchell- Including the cities of Snyder, Stanton, Gail, Lamesa, Colorado City, and Big Spring 140 PM CDT Sun Jul 4 2021 ...FLASH FLOOD WATCH IN EFFECT FROM MIDNIGHT CDT TONIGHT THROUGH MONDAY AFTERNOON... The National Weather Service in Midland/Odessa has issued a * Flash Flood Watch for a portion of western Texas, including the following areas, Borden, Dawson, Howard, Martin, Mitchell and Scurry. * From Midnight CDT tonight through Monday afternoon. * Recent rains have created very saturated soils across the northeastern Permian Basin. Additional rainfall is expected late tonight and into Monday that combined with the already abundant soil moisture will create conditions favorable for flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ David Hennig
1 follow-up statement
765 WGUS64 KMAF 050742 FFAMAF Flood Watch National Weather Service Midland/Odessa TX 242 AM CDT Mon Jul 5 2021 TXZ046>048-051>053-052300- /O.CON.KMAF.FF.A.0004.000000T0000Z-210705T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dawson-Borden-Scurry-Martin-Howard-Mitchell- Including the cities of Snyder, Stanton, Gail, Lamesa, Colorado City, and Big Spring 242 AM CDT Mon Jul 5 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON... The Flash Flood Watch continues for * A portion of western Texas, including the following areas, Borden, Dawson, Howard, Martin, Mitchell and Scurry. * Through this afternoon. * Recent rains have created very saturated soils across the northeastern Permian Basin. Additional rainfall is expected early this morning and during the day today that will combine with the already abundant soil moisture and create conditions favorable for flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Julie Phillipson
The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 7:07 PM CDT | Flash Flood Warning | MAF | Culberson, Reeves | 4 hr |
| Jul 3, 8:34 PM CDT | Special Weather Statement | MAF | Reeves | 41 min |
| Jul 3, 9:00 PM CDT | Areal Flood Advisory | MAF | Loving, Reeves, Ward | 4 hr |
| Jul 4, 1:01 PM CDT | Areal Flood Advisory | MAF | Jeff Davis | 3 hr |
| Jul 4, 1:14 PM CDT | Flash Flood Warning | MAF | Jeff Davis | 2 hr |
| Jul 4, 2:09 PM CDT | Areal Flood Advisory | MAF | Brewster, Jeff Davis | 3 hr |
| Jul 4, 3:16 PM CDT | Areal Flood Advisory | MAF | Brewster, Jeff Davis, Presidio | 4 hr |
| Jul 4, 4:53 PM CDT | Special Weather Statement | MAF | Jeff Davis | 52 min |
| Jul 4, 5:02 PM CDT | Areal Flood Advisory | MAF | Jeff Davis | 3 hr |
| Jul 4, 6:20 PM CDT | Areal Flood Advisory | MAF | Culberson, Jeff Davis | 3 hr |
| Jul 4, 6:55 PM CDT | Areal Flood Advisory | MAF | Culberson | 3 hr |
Nearby
Flash Flood Watches in Texas, 2021Every flash flood watch in 2021
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.