Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 223, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 13, 2002, 8:48 PM CDT for Tulsa County, Oklahoma. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2002, 8:48 PM CDT (01:48 UTC)
- Expired
- Jul 13, 2002, 9:15 PM CDT
- In force
- 27 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Tulsa County, OK
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 00:00Z, 1.8 hours before the alert went out and 178 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
- 1250 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1303 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
227 WUUS54 KTSA 140148 SVRTUL OKC143-140215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 846 PM CDT SAT JUL 13 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN TULSA COUNTY IN NORTHEAST OKLAHOMA * UNTIL 915 PM CDT * AT 846 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN COLLINSVILLE AND DOWNTOWN TULSA...MOVING SOUTHWEST AT 15 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OWASSO... SPERRY AND COLLINSVILLE. WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3623 9583 3640 9583 3628 9603 3617 9599
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 Jul 13, 2:22 PM CDT, 6 hours 26 minutes earlier.
Area forecast discussion, Jul 13, 2:22 PM CDT, 6 hours 26 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 222 PM CDT SAT JUL 13 2002 MID LEVEL LOW CENTER WAS MOVING SLOWLY SOUTH INTO NORTHEAST OKLAHOMA THIS AFTERNOON...AS SHOWN ON SATELLITE IMAGERY AND 700 MB PROFILER WINDS. MOST OF THE CONVECTION SO FAR THIS AFTERNOON HAS BEEN CONCENTRATED ACROSS NORTHWEST ARKANSAS WHERE TERRAIN INFLUENCES MAY BE AIDING DEVELOPMENT. EXPECT MOST OF THE SHOWER AND THUNDERSTORM ACTIVITY TO DIMINISH AFTER SUNSET...BUT WILL KEEP LOW POPS IN ALL ZONES THROUGH THE NIGHT AS 700 MB LOW MEANDERS SOUTH. PREFER AVN HANDLING OF MID LEVEL LOW AND ASSOCIATED RELATIVE HUMIDITY FIELDS THROUGH MONDAY. BASED ON CURRENT TRENDS...12Z ETA MODEL MAY BE MOVING SYSTEM TO THE SOUTH TOO QUICKLY. WILL THEREFORE KEEP POPS IN THE FORECAST THROUGH MONDAY...WITH GREATEST CONCENTRATION EXPECTED IN THE EASTERN ZONES IN THE AFTERNOON AND EVENING. CLOUD COVER AND COVERAGE OF SHOWERS/THUNDERSTORMS WILL BE MAJOR FACTORS IN TEMPERATURE FORECAST NEXT TWO DAYS...WITH NGM MOS NUMBERS LOOKING BEST. IN EXTENDED...WEAKENING MID LEVEL LOW WILL HANG AROUND AREA THROUGH TUESDAY...WITH ATTENDANT CHANCE OF AFTERNOON CONVECTION. WILL KEEP FORECAST DRY IN WEDNESDAY THROUGH SATURDAY PERIOD AS BUILDING UPPER RIDGE IN SOUTHEAST U.S. EFFECTIVELY PUSHES DEEPER MOISTURE NORTH AND EAST AWAY FROM OKLAHOMA. TUL 68 86 68 88 / 20 30 20 20 FSM 70 86 68 88 / 30 50 20 40 MLC 67 86 68 88 / 20 40 20 30 BVO 66 87 65 88 / 20 30 20 20 FYV 65 83 63 84 / 30 50 20 30 BYV 65 82 63 84 / 30 50 20 30 MIO 67 84 66 87 / 20 50 20 30 MKO 68 86 68 88 / 20 40 20 30 F10 68 86 67 88 / 20 40 20 20 HHW 69 86 68 88 / 20 40 20 30 FCSTID = 9 .TSA... AR...NONE. OK...NONE.
In the hours before
Local storm report, Jul 13, 4:21 PM CDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
421 PM CDT SAT JUL 13 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0430 PM NASHOBA OK 60 MPH TSTM WIND GUST
07/12/02 PUSHMATAHA REPORTED BY PUBLIC
0110 PM 3 S PEGGS OK WIND DAMAGE
07/12/02 CHEROKEE THREE TREES BLOWN DOWN ON
LOST CITY ROAD. REPORTED BY
EMERGENCY MANAGEMENT
0205 PM MARBLE CITY OK WIND DAMAGE
07/12/02 SEQUOYAH LARGE TREE LIMBS DOWNED.
REPORTED BY PUBLIC.
0200 PM 10 NNE TAHLEQUAH OK WIND DAMAGE
07/12/02 CHEROKEE TREES BLOWN DOWN.
REPORTED BY PUBLIC.
0315 PM JOHNSON AR 70 MPH TSTM WIND GUST
07/12/02 WASHINGTON REPORTED BY SPOTTERS.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 4:00 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 30 min |
| Jul 14, 4:18 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, McIntosh, Pittsburg | 57 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; the sounding from the Mesonet's radiosonde archive.