Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 313, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 13, 1998, 10:27 PM CDT for Osage County, Tulsa County, Oklahoma. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 13, 1998, 10:27 PM CDT (03:27 UTC)
- Expired
- Jun 13, 1998, 11:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Tulsa County, OK
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 13, 9:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 3.5 hours before the alert went out and 170 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
- 3674 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1597 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 16.9
The text
As transmitted, in the capitals the NWS used until 2016.
050 WUUS54 KTSA 140326 RRA SVRTUL OKC113-143-140400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1027 PM CDT SAT JUN 13 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN OSAGE COUNTY IN NORTHEASTERN OKLAHOMA NORTHERN TULSA COUNTY IN NORTHEASTERN OKLAHOMA * UNTIL 1100 PM CDT * AT 1025 PM...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE THUNDERSTORM 4 MILES SOUTHEAST OF NEW PRUE...MOVING NORTHEAST AT 25 MPH. * SOME LOCATIONS AFFECTED INCLUDE... PRUE SPERRY OWASSO HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
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 13, 9:35 PM CDT, 52 minutes earlier.
Area forecast discussion, Jun 13, 9:35 PM CDT, 52 minutes before
FPUS3 KTUL 140239 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 935 PM CDT SAT JUN 13 1998 KINX 88D INDICATING STORMS WEAKENING A BIT AS THEY MOVE INTO FA ATTM. HOWEVER...GIVEN LACK OF CAP ON AREA SOUNDINGS...COULD SEE MORE RE-DEVELOPMENT. GUSTY SOUTHWEST WINDS CONTINUING TO SUBSIDE ACROSS AREA AS WELL. CURRENT ZONE PACKAGE HANDLING SITUATION QUITE WELL SO WILL NOT UPDATE AT THIS TIME. HOWIESON FCSTID = 44 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Jun 13, 8:31 PM CDT, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
831 PM CDT SAT JUN 13 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0810 PM GRAINOLA OK .75 INCH HAIL
06/13/98 OSAGELocal storm report, Jun 13, 10:01 PM CDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1001 PM CDT SAT JUN 13 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0951 PM BRISTOW OK 1.25 INCH HAIL
06/13/98 CREEK REPORTED ON I-44 JUST WEST
OF BRISTOW.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 7:59 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 31 min |
| Jun 13, 8:09 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 51 min |
| Jun 13, 8:36 PM CDT | Tornado Warning | TSA | Pawnee | 54 min |
| Jun 13, 9:26 PM CDT | Tornado Warning | TSA | Creek | 49 min |
| Jun 13, 10:57 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 33 min |
| Jun 13, 11:33 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 27 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1998Every severe thunderstorm warning in 1998
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.