Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 280, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 20, 2000, 7:23 AM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 52 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 20, 2000, 7:23 AM CDT (12:23 UTC)
- Expired
- Jul 20, 2000, 8:15 AM CDT
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Creek County, OK, Tulsa County, OK
The radar
The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 12:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 20, 7:30 AM CDT | Thunderstorm Wind | Mannford, OK | Thunderstorm winds blew several large tree limbs and power lines down. |
| Jul 20, 7:35 AM CDT | Thunderstorm Wind | Tulsa, OK | Thunderstorm winds blew down several power lines in the north part of Tulsa. |
| Jul 20, 7:40 AM CDT | Thunderstorm Wind | Broken Arrow, OK | Thunderstorm winds blew down several large tree limbs and power lines. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 0.4 hours before the alert went out and 143 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
- 22 J/kg
- Mixed-layer CIN
- -398 J/kg
- Mixed-layer LCL
- 2739 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 201224 SVRTUL OKC037-097-131-143-201315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 723 AM CDT THU JUL 20 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR CREEK COUNTY IN NORTHEAST OKLAHOMA NORTHERN MAYES COUNTY IN NORTHEAST OKLAHOMA ROGERS COUNTY IN NORTHEAST OKLAHOMA TULSA COUNTY IN NORTHEAST OKLAHOMA * UNTIL 815 AM CDT * AT 723 AM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO 75 MPH WERE LOCATED ALONG A LINE EXTENDING FROM CHELSEA TO 10 MILES WEST OF TULSA TO 3 MILES SOUTHWEST OF SILVER CITY...MOVING SOUTHEAST AT 35 MPH. * SOME LOCATIONS AFFECTED INCLUDE...SAPULPA...KELLYVILLE... MANNFORD...DRUMRIGHT...KIEFER...SHAMROCK...MOUNDS...SLICK... BRISTOW...PENSACOLA...ADAIR...BROKEN ARROW...SPERRY...GLENPOOL... OWASSO...JENKS...BIXBY...SAND SPRINGS...TULSA...CHELSEA...FOYIL... TIAWAH...VERDIGRIS...CATOOSA AND CLAREMORE. WINDS UP TO 70 MILES AN HOUR HAVE BEEN REPORTED WITH THESE STORMS. DAMAGING WINDS MAY OCCUR UP TO 5 MILES AHEAD OF THE HEAVY RAIN. MOVE TO A SAFE PLACE NOW. CALL 1-800-722-2778 TO REPORT! SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 6:53 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 52 min |
| Jul 20, 6:53 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 52 min |
| Jul 20, 7:23 AM CDT | Severe Thunderstorm Warning | TSA | Mayes, Rogers | 52 min |
| Jul 20, 7:34 AM CDT | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 41 min |
| Jul 20, 8:13 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Delaware, Mayes | 47 min |
| Jul 20, 8:13 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 47 min |
| Jul 20, 9:27 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2000Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.