Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 135, NWS Tulsa, OK

May 6, 2000Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 6, 2000, 2:03 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 42 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued: May 6, 2000, 2:03 AM CDT (07:03 UTC)
Expired: May 6, 2000, 2:45 AM CDT
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 75 km from the middle of the area, began a volume at 07:06 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 6, 2:15 AM CDT	Hail 0.88	Terlton, OK	Nickel size hail was reported in Westport.
May 6, 2:43 AM CDT	Hail 1	Prue, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.1 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 670 J/kg
Mixed-layer CIN: -193 J/kg
Mixed-layer LCL: 490 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KTSA 060703
SVRTUL
OKC113-117-060745-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
203 AM CDT SAT MAY 6 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 245 AM CDT

* AT 203 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HALLETT...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WESTPORT...
CLEVELAND...HALLETT...TERLTON...SKIATOOK...HOMINY AND OSAGE

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE 
EQXPECTED IN THE WARNED AREA.

CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.

LAT...LON 3629 9663 3618 9659 3617 9601 3643 9601
          3653 9643

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 5, 9:15 PM CDT, 4 hours 48 minutes earlier.

Area forecast discussion, May 5, 9:15 PM CDT, 4 hours 48 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
915 PM CDT FRI MAY 5 2000

PESKY UPPER LEVEL LOW HAS RESULTED IN A PESKY CLUSTER OF
THUNDERSTORMS OVER NORTHEAST OKLAHOMA THIS EVENING.  EXPECTED THEM
TO DISSIPATE AFTER SUNSET BUT JUST AS THEY LOOK LIKE THEY ARE FADING
THEY PULSE UP AGAIN.  GOING FORECAST DID NOT TIME THE THUNDERSTORMS
TONIGHT AND THAT LOOKS GOOD.  STILL EXPECT WARM ADVECTION STORMSj
LATER TONIGHT OVER THE WHOLE AREA.  THUS...TRENDS OF GOING FORECAST
LOOK GOOD FOR NOW AND WILL HOLD OFF ON AN UPDATE FOR LATER IF AT
ALL.

.TUL...
AR...NONE.
OK...NONE.

ABBAS

In the hours before

Local storm report, May 5, 10:31 PM CDT, 3 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CDT FRI MAY 05 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1015 PM    2 N BOYNTON               OK    2.5 INCH HAIL
05/05/00   MUSKOGEE                        TELEVISION STATION
                                           SPOTTERS REPORTED
                                           GOLFBALL TO TENNIS BALZL
                                           SIZED HAIL.

DRM

Local storm report, May 5, 10:51 PM CDT, 3 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1051 PM CDT FRI MAY 5 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0935 PM    MUSKOGEE                  OK    .75 INCH HAIL
05/05/00   MUSKOGEE                        DIME SIZED HAIL
                                           REPORTED BY CIVIL
                                           DEFENSE.

0935 PM    COUNCIL HILL              OK    .75 INCH HAIL
05/05/00   MUSKOGEE                        CIVIL DEFENSE REPORT OF
                                           DIME SIZED HAIL.

1044 PM    3 SW SUMMIT               OK    1.75 INCH HAIL
05/05/00   eMUSKOGEE                        TELEVISION STATION
                                           SPOTTERS REPORTED
                                           GOLFBALL SIZED HAIL.

Local storm report, May 5, 11:48 PM CDT, 2 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT...DELAYED REPORT
NATIONAL WEATHER SERVICE TULSA OK
1148 PM CDT FRI MAY 5 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0239 PM    MC ALESTER                OK    .75 INCH HAIL
05/05/00   PITTSBURG                       CIVIL DEFENSE REPORT OF
                                           DIME SIZED HAIL IN NW
                                           MCALESTER.

DRM

Local storm report, May 6, 12:18 AM CDT, 1 hour 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1218 AM CDT SAT MAY 6 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1206 AM    3 S COLLINSVILLE          OK    1.75 INCH HAIL
05/06/00   TULSA                           HAM RADIO REPORT OF
                                           GOLFBALL SIZED HAIL.

MANNING

Local storm report, May 6, 12:30 AM CDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1230 AM CDT SAT MAY 6 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

12U36 AM    FORT SMITH                AR   1.00 INCH HAIL
05/6/00   SEBASTIAN                      HAM RADIO REPORT OF
                                          QUARTER SIZED HAIL.

DRM

Local storm report, May 6, 12:32 AM CDT, 1 hour 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1232 AM CDT SAT MAY 6 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

	1208 AM    8 W CLAREMORE             OK    .88 INCH HAIL
05/06/00   ROGERS                          PUBLIC REPORT OF DIME
                                           TO NICKEL SIZED HAIL.

DRM

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 5, 7:58 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee, Tulsa	47 min
May 5, 8:29 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	61 min
May 5, 9:23 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	52 min
May 5, 9:30 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	60 min
May 5, 9:46 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	59 min
May 5, 10:29 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	46 min
May 5, 11:03 PM CDT	Severe Thunderstorm Warning	TSA	Mayes	42 min
May 5, 11:59 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	61 min
May 6, 1:46 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Tulsa	59 min
May 6, 2:20 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	40 min
May 6, 2:27 AM CDT	Severe Thunderstorm Warning	TSA	Rogers	48 min
May 6, 2:32 AM CDT	Severe Thunderstorm Warning	TSA	Wagoner	43 min
May 6, 2:43 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	47 min
May 6, 3:12 AM CDT	Severe Thunderstorm Warning	TSA	Pawnee	33 min
May 6, 3:14 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers	46 min
May 6, 3:21 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh	54 min
May 6, 3:24 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	51 min
May 6, 3:43 AM CDT	Severe Thunderstorm Warning	TSA	Creek	47 min
May 6, 4:09 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa	51 min
May 6, 4:23 AM CDT	Severe Thunderstorm Warning	TSA	Creek	52 min
May 6, 4:26 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	49 min
May 6, 5:00 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	45 min
May 6, 5:14 AM CDT	Severe Thunderstorm Warning	TSA	Pawnee	46 min
May 6, 5:46 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee	44 min
May 6, 5:59 AM CDT	Severe Thunderstorm Warning	TSA	Osage	46 min
May 6, 6:22 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee	53 min
May 6, 6:36 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	24 min
May 6, 7:12 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Muskogee	63 min
May 6, 7:12 AM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	63 min
May 6, 10:02 AM CDT	Severe Thunderstorm Warning	TSA	Haskell	43 min
May 6, 10:12 AM CDT	Severe Thunderstorm Warning	TSA	Rogers	48 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.