Alert archive / Oklahoma / Flash Flood Warnings in 2000
Flash Flood Warning 17, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jun 21, 2000, 1:21 AM CDT for Craig County, Nowata County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 21, 2000, 1:21 AM CDT (06:21 UTC)
- Expired
- Jun 21, 2000, 4:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Craig County, OK, Nowata County, OK
The radar
The Tulsa radar (KINX), 74 km from the middle of the area, began a volume at 06:24 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
Springfield, MO (KSGF), launched 00:00Z, 6.4 hours before the alert went out and 152 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
- 1026 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1192 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KTSA 210624 FFWTSA OKC035-105-210900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 121 AM CDT WED JUN 21 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR CRAIG COUNTY IN NORTHEAST OKLAHOMA NOWATA COUNTY IN NORTHEAST OKLAHOMA * UNTIL 400 AM CDT * AT 121 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF WELCH TO WATOVA...MOVING EAST AT 20 MPH. RADAR ESTIMATES INDICATE THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNING AREA. ANOTHER INCH WILL BE POSSIBLE THROUGH 400 AM CDT. * SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE WELCH...WHITE OAK...VINITA...NEW ALLUWE...WATOVA... LENAPAH...DELAWARE AND NOWATA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. LAT...LON 3699 9576 3661 9582 3660 9515 3699 9502
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 11:25 PM CDT | Flash Flood Warning | TSA | Ottawa | 3 hr |
| Jun 21, 12:58 AM CDT | Flash Flood Warning | TSA | Osage | 3 hr |
| Jun 21, 2:35 AM CDT | Flash Flood Warning | TSA | Adair, Delaware | 3 hr |
| Jun 21, 5:58 AM CDT | Flash Flood Warning | TSA | Adair | 4 hr |
| Jun 21, 6:50 AM CDT | Flash Flood Warning | TSA | Creek, Osage, Pawnee | 3 hr |
| Jun 21, 7:39 AM CDT | Flash Flood Warning | TSA | Cherokee, Haskell, LeFlore, Muskogee, Sequoyah | 3 hr |
| Jun 21, 9:58 AM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Jun 21, 10:49 AM CDT | Flash Flood Warning | TSA | Cherokee, Muskogee, Sequoyah | 3 hr |
| Jun 21, 12:43 PM CDT | Flash Flood Warning | TSA | Adair | 77 min |
Nearby
Flash Flood Warnings in Oklahoma, 2000Every flash flood warning in 2000
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.