Alert archive / New Mexico / Flash Flood Warnings in 2009

Flash Flood Warning 21, NWS Albuquerque, NM

August 10, 2009Roosevelt County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at Aug 10, 2009, 6:48 PM MDT for Roosevelt County, New Mexico. It was in force for 117 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
Aug 10, 2009, 6:48 PM MDT (00:48 UTC)
Expired
Aug 10, 2009, 8:45 PM MDT
In force
117 min
Issued by
NWS Albuquerque, NM
Area
Storm-based polygon
Flood severity
None

County Roosevelt County, NM

The radar

The Cannon AFB radar (KFDX), 70 km from the middle of the area, began a volume at 00:48 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.8 hours before the alert went out and 211 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2009-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2009-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -189 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
152 J/kg
Mixed-layer CIN
-226 J/kg
Mixed-layer LCL
2349 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-189 m²/s²
0-3 km storm-relative helicity
-65 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KABQ 110048
FFWABQ
NMC041-110245-
/O.NEW.KABQ.FF.W.0021.090811T0048Z-090811T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
648 PM MDT MON AUG 10 2009

THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ROOSEVELT COUNTY IN EAST CENTRAL NEW MEXICO

* UNTIL 845 PM MDT

* AT 644 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 6   
  MILES NORTHEAST OF PORTALES TO ELIDA. THE STORMS PRODUCING VERY    
  HEAVY RAIN WERE DRIFTING SOUTH AROUND 5 MPH. UP TO 2 INCHES OF     
  RAINFALL MAY HAVE ALREADY FALLEN NORTH OF PORTALES AND ALSO NORTH  
  OF ELIDA ALONG STATE HIGHWAY 330. HEAVY RAINFALL WILL AFFECT THE   
  PORTALES AREA THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. MANY FLASH
FLOOD DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3379 10367 3411 10382 3430 10358 3430 10303
      3382 10304

$$


34
2 follow-up statements
000 
WGUS75 KABQ 110150
FFSABQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
750 PM MDT MON AUG 10 2009

NMC041-110245-
/O.CON.KABQ.FF.W.0021.000000T0000Z-090811T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROOSEVELT-
750 PM MDT MON AUG 10 2009

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR 
CENTRAL AND EASTERN ROOSEVELT COUNTY...

AT 742 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN. THESE 
STORMS STRETCHED FROM 15 MILES NORTHEAST OF PORTALES SOUTHWESTWARD 
TO 15 MILES DUE WEST OF PEP...AND WERE MOVING TOWARD THE EAST AND 
SOUTHEAST AT SPEEDS UP TO 10 MPH. FROM 1 TO 2 ADDITIONAL INCHES OF 
RAINFALL ARE EXPECTED.

LOCATIONS IMPACTED INCLUDE...
  ARCH...
  ROGERS...
  DORA...
  PEP...
  CAUSEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT ATTEMPT TO DRIVE THROUGH FLOODED LOW WATER CROSSINGS. MANY
FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3379 10364 3405 10363 3416 10330 3429 10324
      3430 10303 3382 10304

$$


44
000 
WGUS75 KABQ 110241
FFSABQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
841 PM MDT MON AUG 10 2009

NMC041-110251-
/O.EXP.KABQ.FF.W.0021.000000T0000Z-090811T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROOSEVELT-
841 PM MDT MON AUG 10 2009

...FLASH FLOOD WARNING WILL EXPIRE AT 845 PM MDT FOR EASTERN
ROOSEVELT COUNTY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE RAINFALL WAS
DECREASING ACROSS THE WARNED AREA...AND THE FLASH FLOOD THREAT WAS
DIMINISHING. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT FOR
FLASH FLOODING IS ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN
ALLOWED TO EXPIRE.

LAT...LON 3379 10364 3405 10363 3416 10330 3429 10324
      3430 10303 3382 10304

$$


44

The office that day

Everything else NWS Albuquerque, NM issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 6:17 PM MDTSevere Thunderstorm WarningABQRoosevelt58 min
Aug 10, 6:29 PM MDTSevere Thunderstorm WarningABQCurry, Roosevelt61 min
Aug 10, 7:12 PM MDTSevere Thunderstorm WarningABQRoosevelt63 min
Aug 11, 4:48 PM MDTSevere Thunderstorm WarningABQColfax57 min

Nearby

Flash Flood Warnings in New Mexico, 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.