Alert archive / Texas / Flash Flood Warnings in 2008

Flash Flood Warning 49, NWS Midland/Odessa, TX

September 10, 2008Reagan County, Upton County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Sep 10, 2008, 2:03 PM CDT for Reagan County, Upton County, Texas. It was in force for 4 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: Sep 10, 2008, 2:03 PM CDT (19:03 UTC)
Expired: Sep 10, 2008, 6:00 PM CDT
In force: 4 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Reagan County, TX, Upton County, TX

The radar

The Midland/Odessa radar (KMAF), 73 km from the middle of the area, began a volume at 19:05 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
Sep 10, 2:20 PM CDT	FLASH FLOOD	S Mccamey, TX	FM 1901 AND HWY 305 HAS BEEN CLOSED SOUTH OF MCCAMEY AND INTO PECOS COUNTY, WATER IS RUNNING OVER THE ROAD MAKING IT IMPASSABLE

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 12:00Z, 7.1 hours before the alert went out and 74 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: 46 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 492 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 101903
FFWMAF
TXC383-461-102300-
/O.NEW.KMAF.FF.W.0049.080910T1903Z-080910T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
203 PM CDT WED SEP 10 2008

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  UPTON COUNTY IN WEST TEXAS...
  REAGAN COUNTY IN WEST TEXAS...

* UNTIL 600 PM CDT

* AT 153 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  A LARGE AREA OF MODERATE TO HEAVY RAINFALL OVER UPTON AND REAGAN 
  COUNTIES. SINCE THIS MORNING DOPPLER RADAR HAD ESTIMATED 1 TO 3
  INCHES OF RAIN HAD FALLEN IN THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BIG LAKE...
  NORTH REAGAN FIRE STATION...RANKIN...MCCAMEY...STILES.

ADDITIONAL RAINFALL IS EXPECTED WHICH COULD INCREASE THE POTENTIAL
FOR FLOODING IN THE WARNED AREA.

FLASH FLOODING OF CREEKS AND STREAMS... LOW WATER CROSSINGS...
NORMALLY DRY WASHES AND ARROYOS... AND LOW LYING FARMLAND IS LIKELY.
DO NOT DRIVE ACROSS FLOODED ROADS.

LAT...LON 3163 10227 3163 10128 3123 10129 3111 10131
      3111 10225

$$

1 follow-up statement

000 
WGUS74 KMAF 101931
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
231 PM CDT WED SEP 10 2008

TXC383-461-102300-
/O.CON.KMAF.FF.W.0049.000000T0000Z-080910T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UPTON-REAGAN-
231 PM CDT WED SEP 10 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
REAGAN AND UPTON COUNTIES...

AT 220 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED PORTIONS
OF HIGHWAY 305 CLOSED IN UPTON COUNTY. AT 225 PM CDT DOPPLER RADAR
CONTINUED TO INDICATE AREAS OF MODERATE TO HEAVY RAINFALL OCCURRING
ACROSS UPTON AND REAGAN COUNTIES.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTH REAGAN 
FIRE STATION..RANKIN...MCCAMEY...STILES.

ADDITIONAL RAINFALL IS EXPECTED WHICH COULD INCREASE THE POTENTIAL
FOR FLOODING IN THE WARNED AREA.

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.

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 3163 10227 3163 10128 3123 10129 3111 10131
      3111 10225

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 8:44 PM CDT	Areal Flood Advisory	MAF	Brewster, Presidio	11 min
Sep 9, 8:47 PM CDT	Areal Flood Warning	MAF	Brewster, Presidio	12 hr
Sep 10, 9:14 AM CDT	Areal Flood Warning	MAF	Brewster, Presidio	12 hr
Sep 10, 1:05 PM CDT	Areal Flood Advisory	MAF	Reagan, Upton	4 hr
Sep 10, 1:24 PM CDT	Areal Flood Advisory	MAF	Pecos	4 hr
Sep 10, 1:57 PM CDT	Flash Flood Warning	MAF	Pecos	4 hr
Sep 10, 4:14 PM CDT	Areal Flood Advisory	MAF	Midland	3 hr
Sep 10, 4:19 PM CDT	Flash Flood Warning	MAF	Pecos, Terrell	6 hr
Sep 10, 5:59 PM CDT	Flash Flood Warning	MAF	Reagan	4 hr

Nearby

Flash Flood Warnings in Texas, 2008 Every flash flood warning in 2008

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.