Alert archive / Oklahoma / Flash Flood Warnings in 2012
Flash Flood Warning 24, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Apr 30, 2012, 8:58 PM CDT for Craig County, Nowata County, Oklahoma. It was in force for 3 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
- Apr 30, 2012, 8:58 PM CDT (01:58 UTC)
- Expired
- May 1, 2012, 12:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Craig County, OK, Nowata County, OK
The radar
The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 02:00 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
Springfield, MO (KSGF), launched 00:00Z, 2.0 hours before the alert went out and 162 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
- 202 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1176 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
951
WGUS54 KTSA 010158
FFWTSA
OKC035-105-010500-
/O.NEW.KTSA.FF.W.0024.120501T0158Z-120501T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
858 PM CDT MON APR 30 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CRAIG COUNTY IN NORTHEAST OKLAHOMA...
NOWATA COUNTY IN NORTHEAST OKLAHOMA...
* UNTIL MIDNIGHT CDT
* AT 857 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 1 TO 2
INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 3
INCHES POSSIBLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
NOWATA...DELAWARE...LENAPAH...SOUTH COFFEYVILLE AND WANN.
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.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3663 9537 3663 9581 3694 9581 3695 9579
3700 9578 3701 9538
$$1 follow-up statement
908
WGUS74 KTSA 010312
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1012 PM CDT MON APR 30 2012
OKC035-105-010500-
/O.CON.KTSA.FF.W.0024.000000T0000Z-120501T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAIG OK-NOWATA OK-
1012 PM CDT MON APR 30 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NOWATA AND NORTHWESTERN
CRAIG COUNTIES UNTIL MIDNIGHT CDT...
AT 1010 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 1 TO 2
INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 INCH
WITH LOCALLY HIGHER AMOUNTS POSSIBLE.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
NOWATA...DELAWARE...LENAPAH...SOUTH COFFEYVILLE AND WANN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3663 9537 3663 9581 3694 9581 3695 9579
3700 9578 3701 9538
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:03 PM CDT | Special Weather Statement | TSA | Nowata | 27 min |
| Apr 30, 7:08 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 52 min |
| Apr 30, 7:18 PM CDT | Special Weather Statement | TSA | Muskogee | 42 min |
| Apr 30, 7:54 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 66 min |
| Apr 30, 8:02 PM CDT | Tornado Warning | TSA | Nowata | 43 min |
| Apr 30, 8:21 PM CDT | Tornado Warning | TSA | Nowata | 39 min |
| Apr 30, 8:37 PM CDT | Tornado Warning | TSA | Nowata | 23 min |
| Apr 30, 8:53 PM CDT | Tornado Warning | TSA | Craig, Nowata | 37 min |
| Apr 30, 9:01 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 44 min |
| Apr 30, 9:08 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 67 min |
| Apr 30, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 15 min |
| Apr 30, 9:43 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 62 min |
| Apr 30, 9:58 PM CDT | Tornado Warning | TSA | Craig | 32 min |
| Apr 30, 10:28 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 62 min |
| Apr 30, 10:34 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 71 min |
| Apr 30, 11:00 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 60 min |
| Apr 30, 11:03 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 42 min |
| Apr 30, 11:11 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 4 hr |
| Apr 30, 11:23 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 37 min |
| Apr 30, 11:42 PM CDT | Special Weather Statement | TSA | Creek | 48 min |
| Apr 30, 11:42 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 63 min |
| Apr 30, 11:51 PM CDT | Flash Flood Warning | TSA | Craig, Nowata | 3 hr |
| Apr 30, 11:58 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 32 min |
| May 1, 12:19 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Tulsa, Washington | 56 min |
| May 1, 12:26 AM CDT | Special Weather Statement | TSA | Tulsa | 49 min |
| May 1, 12:47 AM CDT | Tornado Warning | TSA | Nowata | 9 min |
| May 1, 12:49 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Washington | 56 min |
| May 1, 12:56 AM CDT | Special Weather Statement | TSA | Okfuskee | 49 min |
| May 1, 12:59 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Mayes, Nowata, Ottawa, Rogers | 76 min |
| May 1, 1:17 AM CDT | Severe Thunderstorm Warning | TSA | Mayes, Muskogee, Okmulgee, Rogers, Tulsa, Wagoner | 58 min |
| May 1, 1:38 AM CDT | Special Weather Statement | TSA | Okfuskee, Okmulgee | 37 min |
| May 1, 1:52 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Delaware, Mayes | 53 min |
| May 1, 1:53 AM CDT | Flash Flood Warning | TSA | Craig, Nowata, Ottawa, Rogers | 5 hr |
| May 1, 2:10 AM CDT | Special Weather Statement | TSA | Cherokee, McIntosh, Muskogee | 50 min |
| May 1, 2:21 AM CDT | Special Weather Statement | TSA | Pittsburg | 39 min |
| May 1, 2:30 AM CDT | Special Weather Statement | TSA | Creek, Tulsa, Wagoner | 45 min |
| May 1, 2:33 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 27 min |
| May 1, 2:56 AM CDT | Special Weather Statement | TSA | Adair | 49 min |
| May 1, 3:02 AM CDT | Special Weather Statement | TSA | Haskell, Sequoyah | 43 min |
| May 1, 3:28 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 47 min |
| May 1, 3:30 AM CDT | Special Weather Statement | TSA | Latimer, LeFlore | 45 min |
| May 1, 6:35 AM CDT | Areal Flood Warning | TSA | Craig, Nowata, Ottawa | 10 hr |
| May 1, 8:33 AM CDT | River Flood Warning | TSA | Ottawa | 25 hr |
| May 1, 4:28 PM CDT | Areal Flood Warning | TSA | Craig, Nowata, Osage, Ottawa, Washington | 24 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2012Every flash flood warning in 2012
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.