Alert archive / Texas / Flash Flood Warnings in 2013

Flash Flood Warning 2, NWS Midland/Odessa, TX

May 23, 2013Scurry County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 23, 2013, 7:07 PM CDT for Scurry County, Texas. It was in force for 3 hr. 1 report 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: May 23, 2013, 7:07 PM CDT (00:07 UTC)
Expired: May 23, 2013, 10:00 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Scurry County, TX

The radar

The Lubbock radar (KLBB), 137 km from the middle of the area, began a volume at 00:08 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
May 23, 7:30 PM CDT	FLASH FLOOD	2 S Snyder, TX	FLASH FLOODING ON HIGHWAY 350

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, 0.1 hours before the alert went out and 150 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2419 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1953 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

521 
WGUS54 KMAF 240007
FFWMAF
TXC415-240300-
/O.NEW.KMAF.FF.W.0002.130524T0007Z-130524T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
707 PM CDT THU MAY 23 2013

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SCURRY COUNTY IN WEST TEXAS...

* UNTIL 1000 PM CDT

* AT 704 PM CDT...TRAINED WEATHER SPOTTERS AND EMERGENCY MANAGEMENT  
  REPORTS FLASH FLOODING IN THE SNYDER AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SNYDER     
  UNION IN SCURRY COUNTY...RANDALLS  CORNER...FLUVANNA...            
  DERMOTT...AND ARAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS... URBAN AREAS... HIGHWAYS... STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3254 10068 3254 10116 3295 10116 3295 10069

$$

1 follow-up statement

902 
WGUS74 KMAF 240150
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
850 PM CDT THU MAY 23 2013

TXC415-240300-
/O.CON.KMAF.FF.W.0002.000000T0000Z-130524T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SCURRY-
850 PM CDT THU MAY 23 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SCURRY COUNTY...

AT 843 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS OVER SCURRY COUNTY WERE DECREASING IN INTENSITY AND
MOVING OUT OF THE COUNTY. HOWEVER...RUNOFF FROM EARLIER 
THUNDERSTORMS COULD STILL BE PRODUCING FLOODING AND THE WARNING 
WILL BE ALLOWED TO CONTINUE UNTIL IT EXPIRES.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FLUVANNA...
SNYDER...DERMOTT AND ARAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLOODING IS OBSERVED. MOVE TO
HIGHER GROUND.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR WEST TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT
UNTIL 1000 PM CDT THURSDAY EVENING FOR SOUTHEAST NEW MEXICO AND
SOUTHWESTERN TEXAS.

&&

LAT...LON 3254 10068 3254 10116 3295 10116 3295 10069

$$

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 7:09 PM CDT	Flash Flood Warning	MAF	Borden	3 hr
May 23, 7:14 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Dawson, Mitchell, Scurry	61 min
May 23, 7:44 PM CDT	Severe Thunderstorm Warning	MAF	Mitchell	46 min
May 23, 8:14 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Glasscock, Howard, Martin	61 min
May 23, 8:28 PM CDT	Flash Flood Warning	MAF	Howard	62 min
May 23, 9:26 PM CDT	Areal Flood Advisory	MAF	Glasscock, Howard, Mitchell	2 hr
May 23, 9:29 PM CDT	Special Weather Statement	MAF	Glasscock	61 min
May 23, 9:33 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Reagan	27 min
May 23, 9:51 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock	54 min
May 23, 10:10 PM CDT	Flash Flood Warning	MAF	Glasscock, Mitchell	3 hr
May 23, 10:25 PM CDT	Special Weather Statement	MAF	Terrell	65 min
May 23, 10:38 PM CDT	Areal Flood Advisory	MAF	Reagan	3 hr
May 23, 11:34 PM CDT	Areal Flood Advisory	MAF	Reagan	116 min
May 23, 11:34 PM CDT	Special Weather Statement	MAF	Reagan	56 min
May 23, 11:36 PM CDT	Special Weather Statement	MAF	Reagan	54 min

Nearby

Flash Flood Warnings in Texas, 2013 Every flash flood warning in 2013

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.