Alert archive / Oklahoma / Flash Flood Warnings in 1998
Flash Flood Warning 28, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jul 2, 1998, 4:46 PM CDT for Pittsburg County, Oklahoma. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1998, 4:46 PM CDT (21:46 UTC)
- Expired
- Jul 2, 1998, 7:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Pittsburg County, OK
The radar
The Western Arkansas radar (KSRX), 133 km from the middle of the area, began a volume at 21:45 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.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.8 hours before the alert went out and 154 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
- 928 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 1348 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 022145 FFWTUL OKC121-030000- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 446 PM CDT THU JUL 2 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN PITTSBURG COUNTY IN SOUTHEASTERN OKLAHOMA * UNTIL 700 PM CDT * RADAR ESTIMATES 2 TO 3 INCHES OF RAINFALL. * THE RAINFALL WAS LOCATED IN AREAS FROM SAVANNA AND PITTSBURG INTO THE SOUTHEAST PARTS OF THE COUNTY. THUNDE\RSTORMS WILL CONTINUE AND AN ADDITIONAL 1 TO 2 INCHES WILL BE POSSIBLE. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 2, 3:55 PM CDT, 51 minutes earlier.
Area forecast discussion, Jul 2, 3:55 PM CDT, 51 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 355 PM CDT THU JUL 2 1998 PROBLEM(S) OF THE DAY: POPS WILL THE CONVECTION BE SCATTERED OR NUMEROUS? NW FLOW IN THE MID LEVELS TO WEAKEN EVEN MORE OVER THE NEXT DAY OR SO BUT WITH WEAK WAA AND DIRECTIONAL SHEAR COULD SEE ONE MORE ROUND OF SCT CONVECTION LATE TONIGHT AND TOMORROW. FWC POPS ACTUALLY LOOK REASONABLE IN MOST CASES. NEXT FEATURE IS TROPICAL DISTURBANCE NO LOCATED OFF THE FAR S TX COAST. AGREE WITH NCEP AND OTHER DISC THAT NGM HANDLING IS POOR SO FOLLOWED ETA/AVN. BEST TIMING FOR RAINFALL WOULD BE SAT NIGHT THROUGH EARLY MON. WITH MODELS EXCEPT NGM IN AGREEMENT ON TIMING AND AMOUNT OF MOISTURE...HAVE MOVED POPS UP TO LIKELY FOR SUN. PW VALUES WITH THIS SYS WILL BE QUITE HIGH...IN EXCESS OF 2 INCHES. WLY FLOW BY TUES SHOULD REMAIN N OF THE AREA AND UPR RIDGE AXIS LYING PARALLEL TO 35N. FCSTID = 26 TUL 75 95 77 94 / 20 20 5 10 FSM 73 96 74 95 / 20 20 5 20 MLC 75 97 75 95 / 10 10 5 20 BVO 74 95 74 95 / 20 10 5 10 FYV 68 91 70 92 / 30 30 10 10 IDB 71 99 71 95 / 10 10 5 20 BYV 67 90 69 91 / 40 30 10 10 MIO 71 93 73 93 / 30 20 10 10 MKO 75 95 75 95 / 20 20 10 10 F10 75 96 76 95 / 10 10 5 10 HHW 74 99 74 95 / 10 10 5 20 .TUL... OK...NONE. AR...NONE. -------------------- EXPERIMENTAL OUTPUT: SYNOPTIC PATTERN: MODERATE UPPER HIGH/RIDGE TO THE SOUTH EXPECTED MESOSCALE PATTERN: WEAK OUTFLOW BOUNDARY GENERAL WEATHER EXPECTED NEXT 24 HOURS: CONVECTIVE PRECIP HAZARDOUS WEATHER EXPECTED NEXT 24 HOURS: NONE NGM CONFIDENCE: 5 ON A SCALE OF 0 TO 10 ETA CONFIDENCE: 7 ON A SCALE OF 0 TO 10 AVN CONFIDENCE: 7 ON A SCALE OF 0 TO 10 FCST CONFIDENCE: 7 ON A SCALE OF 0 TO 10 MOST USEFUL TOOL: RADAR OBSERVATIONS BEST MODEL FIELD: CONVECTIVE PRECIP.. 500 AND 700MB HEIGHTS.. MID-LEVEL WINDS
In the hours before
Special weather statement, Jul 2, 1:00 PM CDT, 3 hours 46 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-031200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT THU JUL 2 1998 ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE IN NORTHWEST ARKANSAS THIS AFTERNOON. ISOLATED SEVERE THUNDERSTORMS ARE ALSO POSSIBLE LATE TONIGHT ACROSS PARTS OF NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. EARLY THIS AFTERNOON SCATTERED THUNDERSTORMS WERE MOVING ACROSS NORTHWEST ARKANSAS. SUFFICIENT INSTABILITY IS PRESENT FOR ANY ONE OF THESE STORMS TO BRIEFLY BECOME SEVERE WITH HAIL AND DAMAGING WINDS. THESE STORMS ARE EXPECTED TO MOVE OUT OF THE AREA BY LATE THIS AFTERNOON. ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE AFTER MIDNIGHT ACROSS NORTHWEST ARKANSAS AND PARTS OF NORTHEAST OKLAHOMA...GENERALLY NORTH OF THE ARKANSAS RIVER. WHILE WIND FIELDS WILL REMAIN UNFAVORABLE FOR ORGANIZED SEVERE THUNDERSTORMS...AN ISOLATED STORM OR TWO COULD REACH SEVERE LIMIT^S.
Special weather statement, Jul 2, 1:00 PM CDT, 3 hours 46 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-031200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT THU JUL 2 1998 ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE IN NORTHWEST ARKANSAS THIS AFTERNOON. ISOLATED SEVERE THUNDERSTORMS ARE ALSO POSSIBLE LATE TONIGHT ACROSS PARTS OF NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. EARLY THIS AFTERNOON SCATTERED THUNDERSTORMS WERE MOVING ACROSS NORTHWEST ARKANSAS. SUFFICIENT INSTABILITY IS PRESENT FOR ANY ONE OF THESE STORMS TO BRIEFLY BECOME SEVERE WITH HAIL AND DAMAGING WINDS. THESE STORMS ARE EXPECTED TO MOVE OUT OF THE AREA BY LATE THIS AFTERNOON. ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE AFTER MIDNIGHT ACROSS NORTHWEST ARKANSAS AND PARTS OF NORTHEAST OKLAHOMA...GENERALLY NORTH OF THE ARKANSAS RIVER. WHILE WIND FIELDS WILL REMAIN UNFAVORABLE FOR ORGANIZED SEVERE THUNDERSTORMS...AN ISOLATED STORM OR TWO COULD REACH SEVERE LIMIT^S.
Local storm report, Jul 2, 3:53 PM CDT, 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
345 PM CST THU JUL 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 AM 3 NW BRISTOW OK 2.75 INCH HAIL
07/02/98 CREEK BASEBALL HAIL DAMAGED
SEVERAL CARS AND A HOUSE
NEAR BRISTOW (REPORTED BY
CREEK CO EM)Local storm report, Jul 2, 4:20 PM CDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
420 PM CDT THU JUL 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 AM 3 NW BRISTOW OK 2.75 INCH HAIL
07/02/98 CREEK REPORTED BY COUNTY EMER
MNGMTLocal storm report, Jul 2, 4:45 PM CDT, 1 minute before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
345 PM CST THU JUL 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 AM 3 NW BRISTOW OK 2.75 INCH HAIL
07/02/98 CREEK BASEBALL HAIL DAMAGED
SEVERAL CARS AND A HOUSE
NEAR BRISTOW (REPORTED BY
CREEK CO EM)The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 3:19 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 41 min |
| Jul 2, 8:05 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 25 min |
| Jul 2, 3:59 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 31 min |
| Jul 2, 4:27 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 33 min |
| Jul 2, 4:29 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 31 min |
Nearby
Flash Flood Warnings in Oklahoma, 1998Every flash flood 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; radar from the NEXRAD Level II archive.