Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 434, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 2, 1998, 9:44 PM CDT for Muskogee County, Oklahoma. It was in force for 46 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
- Oct 2, 1998, 9:44 PM CDT (02:44 UTC)
- Expired
- Oct 2, 1998, 10:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Muskogee County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.7 hours before the alert went out and 186 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
- 8 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 030243 RRA
SVRTUL
OKC101-030330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
944 PM CDT FRI OCT 2 1998
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR
MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
* UNTIL 1030 PM CDT
* AT 942 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES
SOUTHEAST OF OKTAHA...MOVING NORTHEAST AT 35 MILES PER HOUR.
* SOME LOCATIONS AFFECTED INCLUDE... BRAGGS...SUMMIT...KEEFETON AND
OKTAHA
AT 927 PM...STORM SPOTTERS REPORTED NICKEL SIZE HAIL AT HIGHWAY 150
AND I-40 ABOUT 7 MILES WEST OF CHECOTAH.
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE
EXPECTED IN THE WARNED AREA.
LAT...LON 3557 9554 3547 9544 3562 9516 3579 9531What 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 Oct 2, 9:25 PM CDT, 19 minutes earlier.
Area forecast discussion, Oct 2, 9:25 PM CDT, 19 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 925 PM CDT FRI OCT 2 1998 SHORTWAVE MOVING ACROSS THE AREA AT THIS TIME ACCOMPANIED BY SHOWERS AND THUNDERSTORMS. ACTIVITY IS SCATTERED ACROSS THE NORTHERN PART OF THE FORECAST AREA BUT MUCH MORE NUMEROUS IN THE SOUTHERN PART OF THE AREA. AS THE SHORTWAVE MOVES EAST OVERNIGHT...THE SHOWERS AND STORMS SHOULD DIMINISH FROM WEST TO EAST WITH MOST OF THE ACTIVITY OVER BY MORNING. WILL ADJUST POPS TONIGHT TO FIT CURRENT TRENDS AND ALSO MAKE MINOR ADJUSTMENTS TO WIND AND SKY CONDITION. WILL LEAVE LATER PERIODS ALONE FOR NOW. UPDATED ZONES WILL BE OUT SHORTLY. .TUL... OK...NONE. AR...NONE. PLATTE
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 9:22 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 23 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.