Alert archive / Oklahoma / Flash Flood Warnings in 1997
Flash Flood Warning 33, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jul 18, 1997, 3:37 AM CDT for Okfuskee County, Oklahoma. It was in force for 4 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 18, 1997, 3:37 AM CDT (08:37 UTC)
- Expired
- Jul 18, 1997, 7:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Okfuskee County, OK
The radar
The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 08:36 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 00:00Z, 8.6 hours before the alert went out and 101 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
- 1936 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1989 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 180839 FFWTUL OKC107-181245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 337 AM CDT FRI JUL 18 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 745 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL OKLAHOMA ...WESTERN OKFUSKEE COUNTY AT 336 AM...RADAR ESTIMATES THAT BETWEEN 1.5 AND 4 INCHES OF RAIN HAS FALLEN OVER THE PAST 3 HOURS IN WESTERN PORTIONS OF OKFUSKEE COUNTY NORTH OF PADEN. THUNDERSTORMS PRODUCING HEAVY RAINFALL WILL CONTINUE FOR THE NEXT SEVERAL HOURS...WITH AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL POSSIBLE. A FLASH FLOOD WARNING MEANS THAT FLOODING IS LIKELY OR HAS BEEN REPORTED. STAY ALERT AND WATCH FOR RAPIDLY RISING WATER. REMEMBER...IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO THE NEAREST STREAM...CREEK OR RIVER WHICH CAN BECOME A KILLER DURING PERIODS OF HEAVY RAIN. KEEP TUNED TO THIS STATION FOR THE >LATEST WEATHER BULLETINS.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:07 PM CDT | Tornado Warning | TSA | Osage | 38 min |
| Jul 17, 7:37 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 53 min |
| Jul 17, 7:48 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Jul 17, 8:14 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 46 min |
| Jul 17, 8:22 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 53 min |
| Jul 17, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 48 min |
| Jul 17, 9:11 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 49 min |
| Jul 17, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 46 min |
| Jul 17, 11:09 PM CDT | Flash Flood Warning | TSA | Creek | 3 hr |
| Jul 18, 12:42 AM CDT | Flash Flood Warning | TSA | Okfuskee | 3 hr |
| Jul 18, 1:40 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Jul 18, 7:43 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 3 hr |
Nearby
Flash Flood Warnings in Oklahoma, 1997Every flash flood warning in 1997
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.