Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 45, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 16, 2003, 1:27 AM CDT for Nowata County, Rogers County, Oklahoma. It was in force for 48 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
- Apr 16, 2003, 1:27 AM CDT (06:27 UTC)
- Expired
- Apr 16, 2003, 2:15 AM CDT
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Nowata County, OK, Rogers County, OK
The radar
The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 06:30 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.
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 15, 11:20 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.5 hours before the alert went out and 169 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
- 2736 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
475 WUUS54 KTSA 160627 SVRTUL OKC105-131-160715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 127 AM CDT WED APR 16 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NOWATA COUNTY IN NORTHEAST OKLAHOMA NORTHWESTERN ROGERS COUNTY IN NORTHEAST OKLAHOMA * UNTIL 215 AM CDT * AT 127 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES WEST OF DELAWARE TO 7 MILES WEST OF OOLOGAH...MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...NOWATA... DELAWARE...WATOVA...NEW ALLUWE...OOLOGAH AND TALALA. HAIL TO THE SIZE OF PENNIES 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 3682 9585 3634 9582 3655 9546 3686 9542
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 Apr 15, 9:30 PM CDT, 3 hours 57 minutes earlier.
Area forecast discussion, Apr 15, 9:30 PM CDT, 3 hours 57 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 930 PM CDT TUE APR 15 2003 WILL ISSUE AN UPDATE TO ZFP AND RDF TO ADJUST POPS TONIGHT BASED ON LATEST RADAR TRENDS. WILL EXTEND CATEGORICAL POPS TO AREAS BASICALLY WEST OF A TULSA-MCALESTER LINE...TAPERING TO CHANCE OVER NW ARK AS ACTIVITY NOW MOVING INTO CENTRAL OK EXPECTED TO UNDERGO WEAKENING TREND THROUGH THE NIGHT. PER COOD WITH SPC...TORNADO WATCH WILL NOT EXTEND INTO TULSA CWA. TEMP AND WIND FORECAST LOOK GOOD FOR NOW. .PREV DISC... LINE OF THUNDERSTORMS CONTINUES TO MARCH ACROSS WESTERN OKLAHOMA THIS EVENING...AND HAS HAD A HISTORY OF PRODUCING SEVERE WEATHER OVER MAINLY SOUTHWEST OKLAHOMA. MILLION DOLLAR QUESTION IS WILL THE ACTIVITY HOLD TOGETHER LONG ENOUGH TO IMPACT TULSA CWA TONIGHT. CURRENT RADAR TRENDS SHOW LINE BECOMING MORE ILL-DEFINED AND APPEARS TO BE TRANSITIONING MORE INTO A LARGE AREA OF RAIN WITH EMBEDDED THUNDER WITH MAIN INFLOW BEING CUT OFF AT THE LOW LEVELS. AT THIS TIME...IT APPEARS INSTABILITY WILL NOT BE SUFFICIENT TO SUPPORT A HIGH PROBABILITY OF SEVERE BY THE TIME THE STORMS REACH EASTERN OKLAHOMA. A FEW SEVERE WIND GUSTS MAY STILL BE POSSIBLE WEST OF A TULSA TO WHITESBORO LINE AS 850 WINDS CLOSE TO 70 KTS PROGGED OVER THE AREA BY AROUND 06Z...CURRENT PROFILER WINDS 55-60KTS OVER CENTRAL OK. EXPECT THE STORMS TO FURTHER WEAKEN AS THEY MOVE EAST INTO EXTREME EASTERN OKLAHOMA AND WESTERN ARKANSAS...SEVERE THREAT APPEARS MINIMAL. .TSA... AR...NONE. OK...NONE. SULLIVAN
Hazardous weather outlook, Apr 15, 9:00 PM CDT, 4 hours 27 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-161100- HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TULSA OK 900 PM CDT TUE APR 15 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TONIGHT SEVERE WEATHER OUTLOOK ...CHANCE FOR SEVERE THUNDERSTORMS OVERNIGHT... A LINE OF STRONG TO SEVERE THUNDERSTORMS CONTINUES TO MOVE EAST INTO PORTIONS OF CENTRAL OKLAHOMA THIS EVENING. THIS LINE IS EXPECTED TO MOVE INTO EASTERN OKLAHOMA AROUND MIDNIGHT AND BEGIN TO WEAKEN AS STORMS ENCOUNTER A MORE STABLE AIRMASS. STRONG SHEAR PROFILES HOWEVER SUGGEST...THAT A FEW OF THE STRONGER STORMS COULD PRODUCE DAMAGING STRAIGHT LINE WINDS...PRIMARILY WEST OF A TULSA...EUFAULA ...WHITESBORO LINE. UPDATED WARNING PROBABILITIES WILL BE OUT SHORTLY. SEVERE THUNDERSTORM AND TORNADO WARNING PROBABILITIES CAN BE FOUND IN THE OUTLOOKS SECTION AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT YOUR LOCATION. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THE NEXT CHANCE FOR THUNDERSTORMS WILL ARRIVE BY FRIDAY AND CONTINUE THROUGH EASTER DAY AS AN UPPER LEVEL DISTURBANCE APPROACHES THE AREA. FORECAST MOISTURE RETURN AND WIND PROFILES APPEAR SUFFICIENT FOR A SLIGHT RISK OF SEVERE THUNDERSTORMS DURING THIS PERIOD. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED ACROSS EASTERN OKLAHOMA BY LATE EVENING. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, Apr 15, 11:16 PM CDT, 2 hours 11 minutes before
OKZ054>076-161000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1116 PM CDT TUE APR 15 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #125 UNTIL 500 AM CDT WEDNESDAY MORNING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 23 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE MUSKOGEE OKFUSKEE SEQUOYAH IN NORTHEAST OKLAHOMA: ADAIR CRAIG CREEK DELAWARE MAYES NOWATA OKMULGEE OSAGE OTTAWA PAWNEE ROGERS TULSA WAGONER WASHINGTON IN SOUTHEAST OKLAHOMA: HASKELL LATIMER LE FLORE MCINTOSH PITTSBURG THIS INCLUDES THE CITIES OF BARTLESVILLE...BRISTOW...BROKEN ARROW... CLAREMORE...EUFAULA...JAY...MCALESTER...MIAMI...MUSKOGEE...NOWATA... OKEMAH...OKMULGEE...PAWHUSKA...PAWNEE...POTEAU...PRYOR...SALLISAW... SAND SPRINGS...STIGLER...STILWELL...TAHLEQUAH...TULSA...VINITA... WAGONER AND WILBURTON.
Special weather statement, Apr 15, 11:47 PM CDT, 1 hour 40 minutes before
OKZ054-059-160545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1147 PM CDT TUE APR 15 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR OSAGE AND PAWNEE COUNTIES UNTIL 1245 AM CDT... AT 1147 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTH OF PAWNEE TO 12 MILES SOUTHWEST OF MARAMEC...MOVING NORTHEAST AT 45 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 40 MPH. THE COMMUNITIES OF PAWHUSKA...HOMINY...WYNONA...PERSHING...PAWNEE...MARAMEC... BLACKBURN...SKEDEE...CLEVELAND AND RALSTON WILL BE AFFECTED BY THESE STORMS THROUGH 1245 AM CDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED.
Local storm report, Apr 16, 12:37 AM CDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1237 AM CDT WED APR 16 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1211 AM CLEVELAND OK 59 MPH TSTORM WIND
04/16/03 PAWNEE
CKHLocal storm report, Apr 16, 1:08 AM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0108 AM CDT WED APR 16 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1241 AM BRISTOW OK 60 MPH TSTORM WIND
04/16/03 CREEK
CKHThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 11:59 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 61 min |
| Apr 16, 12:15 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 45 min |
| Apr 16, 12:48 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 57 min |
| Apr 16, 12:56 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 64 min |
| Apr 16, 12:58 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage | 32 min |
| Apr 16, 1:16 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 44 min |
| Apr 16, 1:46 AM CDT | Severe Thunderstorm Warning | TSA | Okmulgee, Tulsa | 44 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2003Every severe thunderstorm warning in 2003
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; radar from the NEXRAD Level II archive.