Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 177, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 17, 2002, 4:05 AM CDT for McIntosh County, Oklahoma. It was in force for 40 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
- May 17, 2002, 4:05 AM CDT (09:05 UTC)
- Expired
- May 17, 2002, 4:45 AM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County McIntosh County, OK
The radar
The Tulsa radar (KINX), 87 km from the middle of the area, began a volume at 09:04 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 17, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 17, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 9.1 hours before the alert went out and 152 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
- 3039 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 170905 SVRTUL OKC091-170945- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 405 AM CDT FRI MAY 17 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 445 AM CDT * AT 405 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 19 MILES WEST OF STIDHAM...MOVING EAST AT 35 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EUFAULA... CHECOTAH AND STIDHAM. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3548 9596 3528 9598 3529 9545 3552 9538
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 3:35 AM CDT, 30 minutes earlier.
Area forecast discussion, May 17, 3:35 AM CDT, 30 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 335 AM CDT FRI MAY 17 2002 ACTIVE CONVECTIVE SYSTEM CONTINUES ACROSS EASTERN OKLAHOMA EARLY THIS MORNING. THERE WILL BE A CONTINUED THREAT OF SEVERE WEATHER AND FLASH FLOODING FOR REST OF MORNING...ESPECIALLY IN AREAS ALONG AND SOUTH OF A TULSA TO FAYETTEVILLE AR LINE. WILL CONTINUE WITH CATEGORICAL POPS AND A FLASH FLOOD WATCH FOR MOST OF THE FORECAST AREA TODAY...WITH EMPHASIS ON THIS MORNING. RAIN WILL DIMINISH FROM NORTHWEST TO SOUTHEAST THIS AFTERNOON AS INFLUENCE OF SHORTWAVE MOVES EAST AND COOLER/DRIER AIR WORKS SOUTH BEHIND COLD FRONT. COOL WEATHER...ESPECIALLY NIGHTTIME LOWS...WILL BE THE MAIN STORY AFTER TODAYS CONVECTION. MOSTLY CLEAR AND DRY WEATHER EXPECTED AS UPPER RIDGE BUILDS OVER ROCKIES TONIGHT INTO SATURDAY. WILL CONTINUE WITH DRY WEATHER FORECAST FOR SUNDAY THROUGH WEDNESDAY PERIOD. HOWEVER...WILL HAVE TO WATCH FOR SOUTHEAST MOVING THUNDERSTORM COMPLEXES AS EARLY AS SUNDAY AS WARM ADVECTION BEGINS IN WESTERN KANSAS AND HIGH PLAINS OF COLORADO. FCSTID = 09 TUL 69 48 68 47 / 80 0 0 10 FSM 70 51 70 46 / 80 0 0 10 MLC 69 48 67 44 / 90 0 0 10 BVO 67 45 67 42 / 60 0 0 10 FYV 66 44 64 38 / 80 0 0 10 BYV 66 43 64 38 / 80 0 0 10 MIO 67 44 65 41 / 70 0 0 10 MKO 69 48 68 46 / 90 0 0 10 F10 69 48 68 47 / 80 0 0 10 HHW 73 51 70 48 / 90 0 0 10 .TSA... AR...FLASH FLOOD WATCH UNTIL NOON CDT TODAY FOR ZONES ARZ001>002... ARZ010>011...ARZ019>020...ARZ029. OK...FLASH FLOOD WATCH UNTIL NOON CDT TODAY FOR ZONES OKZ054>076.
In the hours before
Local storm report, May 17, 12:53 AM CDT, 3 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1253 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1215 AM 3 S SANDSPRINGS OK .88 INCH HAIL
05/17/02 TULSA REPORTED BY TRAINED
SPOTTERLocal storm report, May 17, 1:09 AM CDT, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
109 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0100 AM BROKEN ARROW OK .75 INCH HAIL
05/17/02 TULSA REPORTED BY TRAINED
SPOTTERLocal storm report, May 17, 1:33 AM CDT, 2 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
133 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0130 AM COWETA OK 60 MPH TSTM WIND GUST
05/17/02 WAGONER .88 INCH HAIL
REPORTED BY SPOTTER.Local storm report, May 17, 2:21 AM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
221 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0215 AM 11 SE PRYOR OK .75 INCH HAIL
05/17/02 MAYES REPORTED BY
SPOTTER.Special weather statement, May 17, 2:50 AM CDT, 1 hour 15 minutes before
OKZ054-055-059-060-064>066-170815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 250 AM CDT FRI MAY 17 2002 SEVERE THUNDERSTORM WATCH #307 HAS BEEN REMOVED FROM THE FOLLOWING AREAS...OSAGE...WASHINGTON...PAWNEE AND TULSA COUNTIES. SEVERE THUNDERSTORM WATCH #309 HAS BEEN ISSUED FOR PARTS OF EASTERN OKLAHOMA UNTIL 7 AM...INCLUDING CREEK...OKMULGEE...OKFUSKEE... PUSHMATAHA AND CHOCTAW COUNTIES. SEVERE THUNDERSTORM WATCH #308 HAS BEEN ISSUED FOR MOST OF THE REST OF EASTERN OKLAHOMA UNTIL 7 AM.
Local storm report, May 17, 3:59 AM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
359 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0345 AM BEARDEN OK 1.00 INCH HAIL
05/17/02 OKFUSKEE REPORTED BY TRAINED
SPOTTERThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:50 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 55 min |
| May 16, 9:50 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 55 min |
| May 16, 9:55 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 2 hr |
| May 16, 11:03 PM CDT | Flash Flood Warning | TSA | Washington | 3 hr |
| May 16, 11:12 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 48 min |
| May 16, 11:20 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 40 min |
| May 16, 11:34 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 41 min |
| May 16, 11:43 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 62 min |
| May 17, 12:26 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 49 min |
| May 17, 12:44 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 61 min |
| May 17, 1:04 AM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 56 min |
| May 17, 1:10 AM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Wagoner | 50 min |
| May 17, 1:18 AM CDT | Flash Flood Warning | TSA | Creek, Tulsa | 3 hr |
| May 17, 1:49 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 41 min |
| May 17, 1:58 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Wagoner | 47 min |
| May 17, 2:12 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 63 min |
| May 17, 2:21 AM CDT | Flash Flood Warning | TSA | Wagoner | 3 hr |
| May 17, 2:34 AM CDT | Flash Flood Warning | TSA | Okmulgee | 2 hr |
| May 17, 2:38 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Wagoner | 67 min |
| May 17, 3:03 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 57 min |
| May 17, 3:12 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 63 min |
| May 17, 3:15 AM CDT | Flash Flood Warning | TSA | Cherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more | 3 hr |
| May 17, 3:37 AM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 53 min |
| May 17, 4:39 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Muskogee, Pittsburg | 51 min |
| May 17, 5:01 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 44 min |
| May 17, 5:05 AM CDT | Severe Thunderstorm Warning | TSA | Latimer | 40 min |
| May 17, 5:17 AM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 43 min |
| May 17, 5:23 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 52 min |
| May 17, 5:41 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 49 min |
| May 17, 6:10 AM CDT | Flash Flood Warning | TSA | Cherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more | 6 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2002Every severe thunderstorm warning in 2002
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.