Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 289, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Dec 30, 2002, 12:08 PM CST for McIntosh County, Pittsburg County, Oklahoma. It was in force for 37 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Dec 30, 2002, 12:08 PM CST (18:08 UTC)
- Expired
- Dec 30, 2002, 12:45 PM CST
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties McIntosh County, OK, Pittsburg County, OK
The radar
The Tulsa radar (KINX), 101 km from the middle of the area, began a volume at 18:11 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 |
|---|---|---|---|
| Dec 30, 12:23 PM CST | Hail 0.75 | Vivian, OK | |
| Dec 30, 12:35 PM CST | Hail 0.75 | Eufaula, OK | |
| Dec 30, 12:52 PM CST | Hail 0.75 | Checotah, 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 6.1 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1476 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
792 WUUS54 KTSA 301808 SVRTUL OKC091-121-301845- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1207 PM CST MON DEC 30 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA NORTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 1245 PM CST * AT 1207 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTH OF RAIFORD...MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EUFAULA... HANNA...RAIFORD...VIVIAN...STIDHAM AND INDIANOLA. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3530 9594 3511 9593 3522 9545 3548 9544
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 Dec 30, 11:30 AM CST, 38 minutes earlier.
Area forecast discussion, Dec 30, 11:30 AM CST, 38 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 1130 AM CST MON DEC 30 2002 BACK TO SPRINGTIME. HAVE ISSUED UPDATE FOR SEVERE TSTM WATCH 808...ALONG WITH UPDATE FOR HIGHER POPS SOUTH OF I-40. SHOWERS AND THUNDERSTORMS INCREASING ACROSS SOUTHEAST OKLAHOMA THIS MORNING IN RESPONSE TO UPPER LOW MOVING ACROSS WEST TEXAS. VERY SPRINGLIKE AIRMASS IN PLACE OVER MUCH OF THE AREA WITH DEW POINTS IN LOW 60S. MOST OF THE CONVECTION HAS BEEN ELEVATED IN NATURE THUS FAR...EVEN SO A FEW REPORTS OF SEVERE HAIL OVER SC OK. NOT TOO CONCERNED ABOUT ANY STORMS BECOMING ROOTED IN BL AS FAR NORTH AS SE OK SO MAINLY LOOKING AT THREAT OF LARGE HAIL. WILL UPDATE HWO MOMENTARILY. MEANWHILE...COLD FRONT BEGINNING TO PUSH INTO NW SECTIONS OF CWA WITH WINDS SHIFTING TO THE WEST. CHANCE OF PRECIP MINIMAL ONCE FRONT PUSHES THROUGH. WILL LEAVE IN CHANCE POPS ACROSS MOST OF NE OKLAHOMA FOR NOW...BUT MAY NEED TO ADD SOME HIGHER POPS EAST OF TULSA BEFORE ALL IS SAID AND DONE. IN ADDITION...MADE A FEW MINOR CHANGES TO TEMP AND WIND GRIDS BASED ON CURRENT TRENDS. .TSA... AR...NONE. OK...NONE. SULLIVAN
Hazardous weather outlook, Dec 30, 11:45 AM CST, 23 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-311200-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1145 AM CST MON DEC 30 2002
THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.
.DAY ONE...
SEVERE WEATHER OUTLOOK
AREA 1...SOUTH OF A LINE FROM OKMULGEE OKLAHOMA TO FORT SMITH ARKANSAS
PROBABILITY OF THUNDERSTORMS...100
IF THUNDERSTORMS DEVELOP...
PROBABILITY OF SEVERE STORMS...40
TIME OF INITIAL EVENT...12:30 PM
PROBABILITY OF A TORNADO / F2 OR GREATER TORNADO...5/0
PROBABILITY OF GOLFBALL HAIL OR LARGER...20
PROBABILITY OF 73 MPH WIND OR GREATER...20
GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR AN OCCURRENCE
ANYWHERE IN THE DEFINED AREA.
.DISCUSSION...
SHOWERS AND THUNDERSTORMS WILL BE ON THE INCREASE SOUTH OF
INTERSTATE 40 OVER THE NEXT FEW HOURS AS AN UPPER LOW CONTINUES TO
MOVE ACROSS WEST TEXAS. SURFACE DEW POINTS IN THE LOWER 60S ARE
COMMON ACROSS MUCH OF SOUTHEAST OKLAHOMA. MOST OF THE STORMS ARE
EXPECTED TO REMAIN ELEVATED IN NATURE...HOWEVER STEEP MID LEVEL
LAPSE RATES OF AROUND 8 C/KM WILL SUPPORT THE THREAT OF LARGE HAIL
WITH THESE ELEVATED STORMS. ANY STORMS THAT BECOME ROOTED IN THE
BOUNDARY LAYER WILL ALSO BE CAPABLE OF PRODUCING DAMAGING WINDS.
.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE REQUIRED ACROSS SOUTHEAST OKLAHOMA THIS
AFTERNOON.
.DAYS TWO THROUGH SEVEN...
NO HAZARDOUS WEATHER IS EXPECTED.
COOLER WEATHER IS EXPECTED FOR THE REMAINDER OF THE WEEK AND INTO
THE WEEKEND AS THE UPPER FLOW BECOMES NORTHWESTERLY.
RELATED GRAPHICAL INFORMATION CAN BE FOUND AT...
WWW.SRH.NOAA.GOV/TULSAIn the hours before
Special weather statement, Dec 30, 9:38 AM CST, 2 hours 30 minutes before
OKZ076-301615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 938 AM CST MON DEC 30 2002 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR LE FLORE COUNTY UNTIL 1015 AM CST... AT 936 AM CST...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 2 MILES NORTHEAST OF BIG CEDAR...MOVING NORTHEAST AT 40 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THE COMMUNITIES OF BIG CEDAR AND MUSE WILL BE AFFECTED BY THIS STORM THROUGH 1015 AM CST. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED.
Special weather statement, Dec 30, 11:55 AM CST, 13 minutes before
ARZ019-029-OKZ072-301830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1155 AM CST MON DEC 30 2002 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR CRAWFORD...SEBASTIAN AND SEQUOYAH COUNTIES UNTIL 1230 PM CST... AT 1155 AM CST...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 7 MILES SOUTH OF MULDROW...MOVING NORTHEAST AT 30 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THE COMMUNITIES OF MULDROW...ROLAND...MOFFETT...FORT SMITH...BARLING... VAN BUREN...CEDARVILLE...KIBLER...SHIBLEY...FURRY AND FIGURE FIVE WILL BE AFFECTED BY THIS STORM THROUGH 1230 PM CST. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 12:47 PM CST | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 43 min |
| Dec 30, 1:30 PM CST | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Sequoyah | 45 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2002Every severe thunderstorm warning in 2002
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.