Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 268, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 27, 2001, 2:51 PM CDT for Pittsburg County, Oklahoma. It was in force for 39 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
- Jun 27, 2001, 2:51 PM CDT (19:51 UTC)
- Expired
- Jun 27, 2001, 3:30 PM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pittsburg County, OK
The radar
The Tulsa radar (KINX), 125 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 139 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
- 1226 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 271952 SVRTUL OKC121-272030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 251 PM CDT WED JUN 27 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 330 PM CDT * AT 251 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF SCIPIO...MOVING EAST AT 30 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...CANADIAN... INDIANOLA...CROWDER...BLOCKER AND SCIPIO. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3518 9599 3500 9599 3496 9555 35`21 9560
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 Jun 27, 10:10 AM CDT, 4 hours 41 minutes earlier.
Area forecast discussion, Jun 27, 10:10 AM CDT, 4 hours 41 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1010 AM CDT WED JUN 27 2001 BAND OF SHOWERS AND THUNDERSTORMS HAS SET UP ACROSS CENTRAL OK JUST TO THE WEST OF THE AREA OVER THE PAST FEW HOURS. ACTIVITY SHOULD REMAIN JUST TO THE WEST AS STORMS DRIFTS TO THE SOUTH IN CIRCULATION AROUND WESTERN SKY/TAN UPPER LOW. OTHER CONVECTION ONGOING OVER SOUTHWESTERN MO CLOSER TO THE UPPER LOW...WHILE ALLS QUIET OVER EASTERN OK AND NORTHWEST AR FOR THE MOMENT. MORNING SOUNDINGS SHOW MID LEVEL TEMPS (ROUGHLY 750MB AND ABOVE) HAVE COOLER A FEW DEGREES OVER THE PAST 24 HOURS WITH UPPER LOW DRAWING CLOSER. WITH AFTERNOON HEATING...EXPECT CONVECTION TO FIRE MAINLY IN EASTERN AREAS AGAIN SIMILAR TO YESTERDAY. CURRENT FORECAST LOOKS FINE...SO WILL WAIT AND UPDATE AROUND 16Z. WILL MAINLY JUST REMOVE ANY REFERENCE TO AFTERNOON WORDING...BUT SEE IF TEMPS/WINDS NEED ANY TWEAKING AT THAT TIME. .TSA... AR...NONE. OK...NONE.
In the hours before
Local storm report, Jun 27, 9:30 AM CDT, 5 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
930 AM CDT WED JUN 27 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0430 PM ST PAUL AR WIND DAMAGE
06/26/01 MADISON NUMBEROUS TREE LIMBS
DOWN PUBLIC REPORTLocal storm report, Jun 27, 12:22 PM CDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1222 PM CDT WED JUN 27 2001
DELAYED FROM TUESDAY JUNE 26...
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0455 PM 1 E BALDWIN AR WIND DAMAGE
06/26/01 WASHINGTON SEVERAL TREES DOWN AND
LARGE LIMBS DOWN (PUBLIC)
0455 PM 1 N BAL8DWIN AR .88 INCH HAIL
06/26/01 WASHINGTON (PUBLIC RPT)Special weather statement, Jun 27, 1:15 PM CDT, 1 hour 36 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-281100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 115 PM CDT WED JUN 27 2001 ...ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND EARLY EVENING... UPPER LEVEL LOW PRESSURE WILL CONTINUE TO SLOWLY DRIFT WESTWARD THROUGH TONIGHT AND MOVE INTO MISSOURI BY EARLY THURSDAY MORNING. THIS ALONG WITH WARM SURFACE TEMPERATURES AND DEWPOINTS IN THE UPPER 60S TO NEAR 70 DEGREES WILL MAKE THE ATMOSPHERE UNSTABLE AND CONDUCIVE TO THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. IN ADDITION...AS THE LOW LEVEL JET STRENGTHENS ACROSS EASTERN OKLAHOMA TONIGHT...SCATTERED THUNDERSTORMS WILL AGAIN BE POSSIBLE AFTER MIDNIGHT. SOME OF THESE STORMS COULD BE STRONG WITH SMALL HAIL...GUSTY WINDS AND VERY HEAVY RAIN. .SPOTTER ACTIVATION... ACTIVATION OF STORM SPOTTERS MAY BE NECESSARY ACROSS PORTIONS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON. .DISCUSSION... COOL UPPER LEVEL TEMPERATURES ASSOCIATED WITH AN UPPER LEVEL LOW PRESSURE SYSTEM HAVE COMBINED WITH WARM SURFACE TEMPERATURES TO PRODUCE A MODERATELY UNSTABLE ATMOSPHERE THIS AFTERNOON. WITH CAPE VALUES IN THE 2000-3000 J/KG RANGE AND LIFTED INDEX VALUES TO -8 DEGREES C...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON INTO THIS EVENING. IN ADDITION...AN OUTFLOW BOUNDARY FROM CONVECTION OVER CENTRAL OKLAHOMA HAS DEVELOPED AND HAS MOVED INTO PORTIONS OF EASTERN OKLAHOMA. THIS BOUNDARY MAY ALSO HELP PROVIDE A FOCUS FOR ADDITIONAL SHOWER AND THUNDERSTORM DEVELOPMENT THIS AFTERNOON. LARGE HAIL...DAMAGING WINDS AND HEAVY RAINS WILL BE POSSIBLE WITH ANY THUNDERSTORMS THAT DEVELOP. DUE TO THE SLOW STORM MOVEMENTS ...LOCALIZED FLOODING WILL ALSO BE A THREAT. THREAT TABLE VALID THROUGH 1100 UTC THURSDAY AREA 1...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THUNDERSTORM PROBABILITY...30 SEVERE PROBABILITY IF STORMS OCCUR...40 SIGNIFICANT SEVERE PROBABILITY IF STORMS OCCUR...10 THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN PERCENT. SIGNIFICANT SEVERE IS DEFINED AS F1 OR GREATER WIND/TORNADO DAMAGE AND/OR GOLF BALL SIZE HAIL OR LARGER. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT:WWW.SRH.NOAA.GOV/TULSA
Local storm report, Jun 27, 2:48 PM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
248 PM CDT WED JUN 27 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1242 PM BLUFF OK .75 INCH HAIL
06/27/01 CHOCTAW PUBLIC REPORT
0246 PM FORUM AR 1 INCH HAIL
06/27/01 MADISON SHERIFF REPORTThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 12:38 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 67 min |
| Jun 27, 3:41 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 49 min |
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.