Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 211, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 2001, 9:41 PM CDT for Pittsburg County, Oklahoma. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 27, 2001, 9:41 PM CDT (02:41 UTC)
- Expired
- May 27, 2001, 10:00 PM CDT
- In force
- 19 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pittsburg County, OK
The radar
The Western Arkansas radar (KSRX), 101 km from the middle of the area, began a volume at 02:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.7 hours before the alert went out and 177 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
- 2894 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1394 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 280241 SVRTUL OKC121-280300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 941 PM CDT SUN MAY 27 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 1000 PM CDT * AT 941 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES WEST OF QUINTON...MOVING SOUTHEAST AT 15 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...QUINTON. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. LAT...LON 3518 9545 3512 9559 3505 9535 3517 9535
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 27, 9:25 PM CDT, 16 minutes earlier.
Area forecast discussion, May 27, 9:25 PM CDT, 16 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 925 PM CDT SUN MAY 27 2001 IMPRESSIVE THUNDERSTORM COMPLEX ACROSS NORTHERN OKLAHOMA WAS BEGINNING TO ACCELERATE SOUTH SOUTHEAST INTO CENTRAL OKLAHOMA AS STRONG WINDS ALOFT AND SPREADING COLD POOL HELP MAINTAIN STRONG LOW LEVEL CONVERGENCE. THE WORST OF THE STORMS WILL LIKELY MOVE ACROSS CENTRAL AND WESTERN OKLAHOMA WHERE GREATEST INSTABILITY AND LOW LEVEL JET FORECAST...BUT SEVERE STORMS STILL LOOK LIKELY ACROSS ABOUT THE SOUTHWESTERN TWO THIRDS OF THE FORECAST AREA. HAVE ALREADY SENT UPDATED ZONE FORECASTS TO RAISE POPS INTO CATEGORICAL RANGE ACROSS MOST OF AREA. ALSO RETAINED SEVERE WORDING AS DAMAGING STRAIGHT LINE WINDS COULD BE WIDESPREAD ACROSS MAINLY SOUTHEAST OKLAHOMA INTO THE EARLY MORNING HOURS. NO CHANGES WERE MADE TO LATER PERIODS OF FORECAST. FCSTID = 9 .TSA... AR...NONE. OK...SEVERE THUNDERSTORM WATCH UNTIL 11 PM CDT SUNDAY FOR MOST OF EASTERN OKLAHOMA.
In the hours before
Local storm report, May 27, 3:58 PM CDT, 5 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
358 PM CDT SUN MAY 27 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
031z4 PM FORAKER OK .88 INCH HAIL
05/27/01 OSAGE REPORTED BY PUBLICLocal storm report, May 27, 4:00 PM CDT, 5 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
400 PM CDT SUN MAY 27 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
035*0 PM 4 W PAWHUSKA OK 60 MPH TSTM GUST
05/27/01 OSAGE REPORTED BY SPOTTERLocal storm report, May 27, 9:38 PM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
938 PM CDT SUN MAY 27 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0314 PM FORAKER OK .88 INCH HAIL
05/27/01 OSAGE PUBLIC REPORT
0350 PM 5 W PAWHUSKA OK WIND DAMAGE
05/27/01 OSAGE TELEVISION CHASE TEAM
REPORTED A ROOF BLOWN
OFF A HOUSE.
0350 PM 4 W PAWHUSKA OK 60 MPH TSTM GUST
05/27/01 OSAGE HAM RADIO REPORT
0402 PM 2 N WYNONA OK 70 MPH TSTM GUST
05/27/01 OSAGE HAM RADIO REPORT OF 70
MPH WINDS AND MOBILE
HOME DAMAGE.
0410 PM WYNONA OK WIND DAMAGE
05/27/01 OSAGE HAM RADIO REPORT OF
LARGE LIMBS AND A TREE
DOWNED
0410 PM 2 S WYNONA OK 70 MPH TSTM GUST
05/27/01 OSAGE OKLAHOMA MESONET REPORT
0415 PM 2 S WYNONA OK 59 MPH TSTM GUST
05/27/01 OSAGE OKLAHOMA MESONET REPORT
0425 PM 7 E BRISTOW OK 1 INCH HAIL
05/27/01 CREEK EMERGENCY MANAGEMENT
REPORT
0457 PM TULSA OK 62 MPH TSTM GUST
05/27/01 TULSA 62 MPH GUST AT
TELEVISION STATION
DOWNTOWN.
0503 PM 4 W (TUL)TULSA INTL ARPT OK 60 MPH TSTM GUST
05/27/01 TULSA HAM RADIO REPORT
0503 PM TULSA OK .88 INCH HAIL
05/27/01 TULSA NICKEL SIZED HAIL AT
TELEVISION STATION
DOWNTOWN.
0514 PM TULSA OK 1 INCH HAIL
05/27/01 TULSA OFF DUTY NWS EMPLOYEE
REPORT AT 81ST AND
MEMORIAL.
0525 PM BIXBY OK 1.75 INCH HAIL
05/27/01 TULSA HAM RADIO REPORT OF
GOLFBALL SIZED HAIL AND
TREES DOWNED ON THE
NORTH SIDE OF BIXBY
0530 PM BIXBY OK 1.75 INCH HAIL
05/27/01 TULSA HAM RADIO REPORT OF
GOLFBALL SIZED HAIL AND
60 MPH WINDS
0531 PM BIXBY OK 1.75 INCH HAIL
05/27/01 TULSA HAM RADIO REPORT
0541 PM STONEBLUFF OK 1.75 INCH HAIL
05/27/01 WAGONER GOLFBALL SIZED HAIL HAM
RADIO REPORT.
0556 PM 6 N BRISTOW OK 1 INCH HAIL
05/27/01 CREEK SPOTTER REPORT
0608 PM 1 N BRISTOW OK .75 INCH HAIL
05/27/01 CREEK SPOTTER REPORT
0612 PM 4 N BRISTOW OK 1.25 INCH HAIL
05/27/01 CREEK HAM RADIO REPORT
0615 PM 3 NE BRISTOW OK 1.75 INCH HAIL
05/27/01 CREEK FIRE DEPARTMENT REPORT
0624 PM SLICK OK 2 INCH HAIL
05/27/01 CREEK HAM RADIO REPORT
0625 PM 7 E BRISTOW OK 1 INCH HAIL
05/27/01 CREEK EMERGENCY MANAGEMENT
REPORT
0642 PM 3 N BEGGS OK 1.75 INCH HAIL
05/27/01 OKMULGEE MEDIA REPORT
0746 PM WILBURTON OK 1 INCH HAIL
05/27/01 LATIMER EMERGENCY MANAGEMENT
REPORT OF QUARTER SIZED
HAIL IN NW WILBURTON
0755 PM HODGEN OK 1 INCH HAIL
05/27/01 LE FLORE PUBLIC REPORT
0825 PM 3 ENE PAWNEE OK 61 MPH TSTM GUST
05/27/01 PAWNEE OKLAHOMA MESONET REPORT
0854 PM 3 NE CANADIAN OK 1.75 INCH HAIL
05/27/01 PITTSBURG EMERGENCY MANAGEMENT
REPORT
0856 PM EUFAULA OK .88 INCH HAIL
05/27/01 MCINTOSH SPOTTER REPORT
DRMThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:03 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 57 min |
| May 27, 7:30 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 45 min |
| May 27, 7:47 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Okfuskee, Okmulgee | 58 min |
| May 27, 8:00 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 60 min |
| May 27, 8:10 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 50 min |
| May 27, 8:10 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 50 min |
| May 27, 8:43 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 32 min |
| May 27, 8:53 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 52 min |
| May 27, 8:54 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 66 min |
| May 27, 8:58 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 47 min |
| May 27, 9:33 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 42 min |
| May 27, 9:43 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 47 min |
| May 27, 10:00 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 45 min |
| May 27, 10:02 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 43 min |
| May 27, 10:25 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 50 min |
| May 27, 11:20 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 55 min |
| May 28, 12:11 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, McIntosh, Pittsburg, Pushmataha | 64 min |
| May 28, 12:35 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 40 min |
| May 28, 1:14 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 61 min |
| May 28, 2:04 AM CDT | Flash Flood Warning | TSA | LeFlore | 3 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2001Every severe thunderstorm warning in 2001
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.