Alert archive / Oklahoma / Flash Flood Warnings in 2011
Flash Flood Warning 28, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 2, 2011, 12:21 PM CDT for 4 counties in Oklahoma. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 2, 2011, 12:21 PM CDT (17:21 UTC)
- Expired
- May 2, 2011, 4:48 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Haskell County, OK, Latimer County, OK, Pittsburg County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 118 km from the middle of the area, began a volume at 17:21 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
Norman, OK (KOUN), launched 12:00Z, 5.4 hours before the alert went out and 185 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1899 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- -66 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
192
WGUS54 KTSA 021721
FFWTSA
OKC061-077-121-127-022330-
/O.NEW.KTSA.FF.W.0028.110502T1721Z-110502T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1221 PM CDT MON MAY 2 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LATIMER COUNTY IN SOUTHEAST OKLAHOMA...
NORTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA...
SOUTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA...
SOUTHERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA...
* UNTIL 630 PM CDT
* AT 1220 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED AREAS OF MODERATE TO HEAVY RAIN ACROSS THE WARNED AREA.
1 TO 3 INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL
1 TO 2 INCHES POSSIBLE THROUGH THE REMAINDER OF THE AFTERNOON.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
CLAYTON...WILBURTON...ALBION...ALDERSON...BENGAL...BLANCO...
DAMON...DUNBAR...ENTERPRISE...HARTSHORNE...HIGGINS...KIAMICHI...
KINTA...KOSOMA...LEQUIRE...MCCURTAIN...MOYERS...QUINTON...RED
OAK...STANLEY...TUSKAHOMA...WHITEFIELD AND YANUSH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
&&
LAT...LON 3426 9577 3430 9579 3451 9579 3452 9568
3459 9568 3459 9588 3469 9589 3531 9533
3527 9525 3528 9521 3521 9496 3487 9501
3486 9505 3474 9505 3446 9525
$$2 follow-up statements
334
WGUS74 KTSA 022116
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
416 PM CDT MON MAY 2 2011
OKC061-077-121-127-022330-
/O.CON.KTSA.FF.W.0028.000000T0000Z-110502T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HASKELL OK-PITTSBURG OK-PUSHMATAHA OK-LATIMER OK-
416 PM CDT MON MAY 2 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR LATIMER...NORTHERN
PUSHMATAHA...SOUTHEASTERN PITTSBURG AND SOUTHERN HASKELL COUNTIES
UNTIL 630 PM CDT...
AT 415 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AREAS OF LIGHT RAIN CONTINUING ACROSS THE WARNED AREA. ALTHOUGH
ADDITIONAL RAINFALL AMOUNTS WILL REMAIN LIGHT...1 TO 3 INCHES OF RAIN
HAS ALREADY FALLEN AND FLOODING OF LOW LYING AREAS WILL LIKELY
CONTINUE.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CLAYTON...STIGLER...WILBURTON...ALDERSON...BENGAL...BLANCO...DAMON...
DUNBAR...ENTERPRISE...HARTSHORNE...HIGGINS...KIAMICHI...KINTA...
KOSOMA...LEQUIRE...MCCURTAIN...MOYERS...QUINTON...RED OAK...
STANLEY...TUSKAHOMA...WHITEFIELD AND YANUSH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3426 9577 3430 9579 3451 9579 3452 9568
3459 9568 3459 9588 3469 9589 3531 9533
3527 9525 3528 9521 3521 9496 3487 9501
3486 9505 3474 9505 3446 9525
$$393
WGUS74 KTSA 022148
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
448 PM CDT MON MAY 2 2011
OKC061-077-121-127-022202-
/O.CAN.KTSA.FF.W.0028.000000T0000Z-110502T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HASKELL OK-PITTSBURG OK-PUSHMATAHA OK-LATIMER OK-
448 PM CDT MON MAY 2 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR LATIMER...NORTHERN
PUSHMATAHA...SOUTHEASTERN PITTSBURG AND SOUTHERN HASKELL COUNTIES IS
CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA WERE BEGINNING TO RECEDE...ENDING THE
FLASH FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT
TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3426 9577 3430 9579 3451 9579 3452 9568
3459 9568 3459 9588 3469 9589 3531 9533
3527 9525 3528 9521 3521 9496 3487 9501
3486 9505 3474 9505 3446 9525
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 8:34 PM CDT | Special Weather Statement | TSA | Choctaw | 56 min |
| May 1, 11:55 PM CDT | Areal Flood Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha, Sequoyah | 12 hr |
| May 2, 2:35 AM CDT | River Flood Warning | TSA | LeFlore | 3 days |
| May 2, 8:03 AM CDT | River Flood Advisory | TSA | Cherokee | 49 hr |
| May 2, 8:29 AM CDT | River Flood Warning | TSA | LeFlore | 19 hr |
| May 2, 11:50 AM CDT | Areal Flood Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha, Sequoyah | 48 hr |
| May 2, 11:53 AM CDT | Areal Flood Warning | TSA | Adair, Cherokee | 9 hr |
| May 2, 2:56 PM CDT | Frost Advisory | TSA | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 15 more | 18 hr |
Nearby
Flash Flood Warnings in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.