Alert archive / Oklahoma / Flash Flood Warnings in 2011
Flash Flood Warning 37, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 23, 2011, 9:56 AM CDT for 4 counties in Oklahoma. It was in force for 4 hr. 7 reports 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, 2011, 9:56 AM CDT (14:56 UTC)
- Expired
- May 23, 2011, 2:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Craig County, OK, Delaware County, OK, Nowata County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 72 km from the middle of the area, began a volume at 14:59 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, 11:00 AM CDT | FLASH FLOOD | Miami, OK | ROADS CLOSED IN MIAMI DUE TO FLASH FLOODING...INCLUDING 16TH AND E NW...MIAMI BLVD AT A AND C NE...AND D NE. |
| May 23, 11:10 AM CDT | FLASH FLOOD | 10 E Nowata, OK | COUNTY ROAD NORTH OF HWY 60 ALONG THE NOWATA AND CRAIG COUNTY LINE WAS FLOODED AND IMPASSABLE. |
| May 23, 11:25 AM CDT | FLASH FLOOD | Centralia, OK | WATER STARTING TO FLOOD SOME ROADS IN THE AREA. |
| May 23, 11:30 AM CDT | FLASH FLOOD | 8 N Vinita, OK | WATER RISING OUT OF DITCHES AND OVER THE COUNTY ROADS. AREAS INCLUDE THOSE AROUND BLEW JACKET AND PYRAMID CORNERS. |
| May 23, 12:50 PM CDT | FLASH FLOOD | 5 E Pyramid Corners, OK | HIGHWAY 25 GOING EAST FROM PYRAMID CORNERS THROUGH BLUEJACKET CLOSED IN SEVERAL PLACES...NEARLY TO HIGHWAY 69. |
| May 23, 12:50 PM CDT | FLASH FLOOD | 5 N Vinita, OK | WATER OVER HIGHWAY 2 IN SEVERAL PLACES....GOING NORTH TOWARD PYRAMID CORNERS. |
| May 23, 12:50 PM CDT | FLASH FLOOD | Welch, OK | HIGHWAY 10 EAST OF WELCH CLOSED IN SEVERAL PLACES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.9 hours before the alert went out and 124 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
- 1041 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1640 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
909
WGUS54 KTSA 231456
FFWTSA
OKC035-041-105-115-231900-
/O.NEW.KTSA.FF.W.0037.110523T1456Z-110523T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
956 AM CDT MON MAY 23 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CRAIG COUNTY IN NORTHEAST OKLAHOMA...
NORTHERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA...
OTTAWA COUNTY IN NORTHEAST OKLAHOMA...
SOUTHERN NOWATA COUNTY IN NORTHEAST OKLAHOMA...
* UNTIL 200 PM CDT
* AT 952 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 1 TO 3
INCHES OF RAINFALL HAS ALREADY OCCURRED DURING THE PAST HOUR WITH AN
ADDITIONAL 1 TO 2 INCHES POSSIBLE. THIS AREA RECEIVED CONSIDERABLE
RAINS LAST NIGHT...AND PONDING OF WATER MAY STILL
REMAIN...ESPECIALLY IN THE GROVE AREA. ADDITIONAL RAIN WILL ONLY
WORSEN THE SITUATION.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
MIAMI...NOWATA...VINITA...AFTON...BERNICE...BIG CABIN...
BLUEJACKET...CLEORA...COMMERCE...DELAWARE...FAIRLAND...GROVE...I-44
NEAR MILE MARKER 0...KETCHUM...NARCISSA...NEW ALLUWE...PICHER...
QUAPAW...WATOVA...WELCH...WHITE OAK AND WYANDOTTE.
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.
LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.
&&
LAT...LON 3700 9461 3653 9461 3652 9533 3660 9533
3660 9580 3668 9579 3700 9539
$$3 follow-up statements
466
WGUS74 KTSA 231620
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1120 AM CDT MON MAY 23 2011
OKC035-041-105-115-231900-
/O.CON.KTSA.FF.W.0037.000000T0000Z-110523T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAIG OK-DELAWARE OK-NOWATA OK-OTTAWA OK-
1120 AM CDT MON MAY 23 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OTTAWA...SOUTHERN
NOWATA...NORTHERN DELAWARE AND CRAIG COUNTIES UNTIL 200 PM CDT...
AT 1114 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. FOUR TO SIX
INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 2
INCHES POSSIBLE. NUMEROUS COUNTY ROADS ARE UNDER WATER FROM BLUE
JACKET AND PYRAMID CORNERS TO CENTRALIA AND INTO EASTERN AND
NORTHEASTERN PARTS OF NOWATA COUNTY. NO FLOODING HAS BEEN REPORTED
IN OTTAWA COUNTY.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
CONTINUE FOR SEVERAL HOURS...MAINLY OVER CENTRAL AND EASTERN
PORTIONS OF NOWATA COUNTY...AND CENTRAL AND NORTHERN PORTIONS OF
CRAIG COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE
ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY
VEHICLES AWAY.
FLOODING IS OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER
GROUND AS NECESSARY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT
TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT
OR BY AUTOMOBILE.
&&
LAT...LON 3700 9461 3653 9461 3652 9533 3660 9533
3660 9580 3668 9579 3700 9539
$$132
WGUS74 KTSA 231737
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1237 PM CDT MON MAY 23 2011
OKC035-041-105-115-231900-
/O.CON.KTSA.FF.W.0037.000000T0000Z-110523T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAIG OK-DELAWARE OK-NOWATA OK-OTTAWA OK-
1237 PM CDT MON MAY 23 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OTTAWA...SOUTHERN
NOWATA...NORTHERN DELAWARE AND CRAIG COUNTIES UNTIL 200 PM CDT...
...SERIOUS FLOODING MAY BE OCCURRING...
AT 1230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. FOUR TO SIX
INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 2 TO 3
INCHES POSSIBLE THROUGH 2 PM. FLOODING OF COUNTY ROADS IN CRAIG AND
NOWATA COUNTIES HAS BEEN REPORTED.
A LARGE PART OF CRAIG COUNTY HAS RECEIVED OVER FIVE INCHES OF RAIN.
LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. THIS AREA OF EXCESSIVE RAIN
ALSO INCLUDES SOUTHEAST NOWATA COUNTY.
RAINFALL AMOUNTS APPROACHING 4 INCHES ARE NOW BEING OBSERVED IN
WESTERN OTTAWA COUNTY. ROADS...ESPECIALLY RURAL ROADS...IN WESTERN
OTTAWA COUNTY MAY ALSO SOON BEGIN TO FLOOD.
RUNOFF FROM THIS EXCESSIVE RAINFALL I CAUSING FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...MIAMI...NOWATA...VINITA...AFTON...BERNICE...BIG
CABIN...BLUEJACKET...CLEORA...COMMERCE...DELAWARE...FAIRLAND...GROVE.
..I-44 NEAR MILE MARKER 0...KETCHUM...NARCISSA...NEW
ALLUWE...PICHER...QUAPAW...WATOVA...WELCH...WHITE OAK AND WYANDOTTE.
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. REMEMBER...MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES.
LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
THIS FLASH FLOOD WARNING WILL LIKELY BE EXTENDED THROUGH THE
AFTERNOON.
LAT...LON 3700 9461 3653 9461 3652 9533 3660 9533
3660 9580 3668 9579 3700 9539
$$625
WGUS74 KTSA 231809
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
109 PM CDT MON MAY 23 2011
OKC035-041-105-115-231900-
/O.CON.KTSA.FF.W.0037.000000T0000Z-110523T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAIG OK-DELAWARE OK-NOWATA OK-OTTAWA OK-
109 PM CDT MON MAY 23 2011
...MAJOR FLOODING DEVELOPING IN CRAIG COUNTY...
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OTTAWA...SOUTHERN
NOWATA...NORTHERN DELAWARE AND CRAIG COUNTIES UNTIL 200 PM CDT...
AT 105 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. FIVE TO
EIGHT INCHES OF RAINFALL HAS ALREADY OCCURRED FROM NEAR BLUEJACKET
WESTWARD TO CENTRALIA AND INTO FAR EASTERN NOWATA COUNTY. AN
ADDITIONAL 1 TO 2 INCHES WILL BE POSSIBLE BEFORE THE RAIN ENDS.
ROADS ARE FLOODED AND CLOSED NORTH OF VINITA...AND EAST OF
BLUEJACKET AND WELCH.
RUNOFF FROM THIS EXCESSIVE RAINFALL IS RESULTING IN SIGNIFICANT
FLOODING THAT WILL LAST THROUGH THE AFTERNOON...EVEN AFTER THE RAIN
ENDS.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MIAMI...NOWATA...VINITA...AFTON...BERNICE...BIG CABIN...
BLUEJACKET...CLEORA...COMMERCE...DELAWARE...FAIRLAND...GROVE...I-44
NEAR MILE MARKER 0...KETCHUM...NARCISSA...NEW ALLUWE...
PICHER...QUAPAW...WATOVA...WELCH...WHITE OAK AND WYANDOTTE.
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.
LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3700 9461 3653 9461 3652 9533 3660 9533
3660 9580 3668 9579 3700 9539
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:00 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Okfuskee, Okmulgee | 45 min |
| May 22, 7:13 PM CDT | Tornado Warning | TSA | Adair, Cherokee, Delaware, Mayes | 62 min |
| May 22, 7:26 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 49 min |
| May 22, 7:38 PM CDT | Areal Flood Advisory | TSA | Delaware, Ottawa | 112 min |
| May 22, 7:39 PM CDT | Flash Flood Warning | TSA | Delaware | 4 hr |
| May 22, 7:39 PM CDT | Tornado Warning | TSA | Delaware, Ottawa | 36 min |
| May 22, 7:46 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okfuskee, Okmulgee | 29 min |
| May 22, 7:51 PM CDT | Areal Flood Advisory | TSA | McIntosh, Muskogee, Okfuskee, Okmulgee | 84 min |
| May 22, 7:53 PM CDT | Special Weather Statement | TSA | Cherokee | 37 min |
| May 22, 8:09 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Delaware | 66 min |
| May 22, 8:09 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee, Wagoner | 51 min |
| May 22, 8:16 PM CDT | Tornado Warning | TSA | Adair, Cherokee, Delaware | 29 min |
| May 22, 8:19 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Wagoner | 30 min |
| May 22, 8:20 PM CDT | Tornado Warning | TSA | Delaware | 55 min |
| May 22, 8:32 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 43 min |
| May 22, 8:41 PM CDT | Special Weather Statement | TSA | Choctaw | 34 min |
| May 22, 8:45 PM CDT | Tornado Warning | TSA | Delaware | 45 min |
| May 22, 9:01 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 44 min |
| May 22, 9:15 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Mayes, Ottawa, Rogers | 60 min |
| May 22, 9:29 PM CDT | Special Weather Statement | TSA | Latimer | 31 min |
| May 22, 9:35 PM CDT | Special Weather Statement | TSA | LeFlore | 25 min |
| May 22, 9:38 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pittsburg | 30 min |
| May 22, 10:12 PM CDT | Special Weather Statement | TSA | Creek, Tulsa | 33 min |
| May 22, 10:14 PM CDT | Special Weather Statement | TSA | Delaware | 31 min |
| May 22, 10:30 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Wagoner | 45 min |
| May 22, 10:37 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Rogers, Tulsa | 22 min |
| May 22, 10:39 PM CDT | Special Weather Statement | TSA | Delaware | 36 min |
| May 22, 10:50 PM CDT | Severe Thunderstorm Warning | TSA | Adair, LeFlore, Sequoyah | 40 min |
| May 22, 10:55 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 35 min |
| May 22, 11:01 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 59 min |
| May 22, 11:01 PM CDT | Tornado Warning | TSA | Delaware | 29 min |
| May 22, 11:10 PM CDT | Flash Flood Warning | TSA | Delaware | 6 hr |
| May 22, 11:12 PM CDT | Special Weather Statement | TSA | Mayes, Rogers | 33 min |
| May 23, 5:07 AM CDT | Areal Flood Warning | TSA | Delaware | 4 hr |
| May 23, 5:42 AM CDT | Special Weather Statement | TSA | Osage | 33 min |
| May 23, 5:49 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 26 min |
| May 23, 6:20 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 25 min |
| May 23, 6:50 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 25 min |
| May 23, 7:12 AM CDT | Special Weather Statement | TSA | Osage | 33 min |
| May 23, 7:16 AM CDT | Special Weather Statement | TSA | Nowata | 29 min |
| May 23, 7:25 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 50 min |
| May 23, 7:38 AM CDT | Special Weather Statement | TSA | Washington | 37 min |
| May 23, 7:53 AM CDT | Special Weather Statement | TSA | Washington | 37 min |
| May 23, 8:06 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 39 min |
| May 23, 8:16 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Ottawa | 44 min |
| May 23, 8:48 AM CDT | Special Weather Statement | TSA | Pushmataha | 27 min |
| May 23, 8:49 AM CDT | Special Weather Statement | TSA | Nowata | 26 min |
| May 23, 8:57 AM CDT | Special Weather Statement | TSA | Craig, Ottawa | 33 min |
| May 23, 9:01 AM CDT | Special Weather Statement | TSA | Pushmataha | 44 min |
| May 23, 9:11 AM CDT | Special Weather Statement | TSA | Pushmataha | 34 min |
| May 23, 9:15 AM CDT | Areal Flood Advisory | TSA | Craig, Delaware, Nowata, Ottawa | 2 hr |
| May 23, 9:26 AM CDT | Special Weather Statement | TSA | Craig | 34 min |
| May 23, 9:29 AM CDT | Special Weather Statement | TSA | Ottawa | 31 min |
| May 23, 9:36 AM CDT | Special Weather Statement | TSA | Choctaw | 39 min |
| May 23, 10:00 AM CDT | Special Weather Statement | TSA | Craig | 30 min |
| May 23, 10:31 AM CDT | Special Weather Statement | TSA | Craig | 29 min |
| May 23, 10:45 AM CDT | Areal Flood Warning | TSA | Nowata | 6 hr |
| May 23, 11:31 AM CDT | Special Weather Statement | TSA | Craig | 29 min |
| May 23, 11:58 AM CDT | Special Weather Statement | TSA | Craig | 32 min |
| May 23, 12:15 PM CDT | Special Weather Statement | TSA | Adair | 30 min |
| May 23, 1:38 PM CDT | Flash Flood Warning | TSA | Craig, Delaware, Nowata, Ottawa, Rogers | 6 hr |
| May 23, 1:40 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 35 min |
| May 23, 2:08 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 49 min |
| May 23, 2:10 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 35 min |
| May 23, 2:32 PM CDT | River Flood Warning | TSA | Ottawa | 42 hr |
| May 23, 2:37 PM CDT | River Flood Warning | TSA | Adair | 60 hr |
| May 23, 2:37 PM CDT | River Flood Warning | TSA | Cherokee | 3 days |
| May 23, 2:41 PM CDT | River Flood Advisory | TSA | Cherokee, Delaware | 54 hr |
| May 23, 3:20 PM CDT | Flash Flood Watch | TSA | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 14 more | 34 hr |
| May 23, 4:24 PM CDT | Areal Flood Warning | TSA | Nowata | 6 hr |
| May 23, 4:52 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 53 min |
| May 23, 5:06 PM CDT | Tornado Warning | TSA | Osage | 24 min |
| May 23, 5:29 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 31 min |
| May 23, 5:41 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Rogers | 32 min |
| May 23, 5:55 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 50 min |
| May 23, 6:47 PM CDT | Areal Flood Advisory | TSA | Washington | 118 min |
| May 23, 6:59 PM CDT | Special Weather Statement | TSA | Delaware, Mayes, Wagoner | 46 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.