Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 686, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 16, 2008, 4:31 PM CDT for 4 counties in Oklahoma. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 16, 2008, 4:31 PM CDT (21:31 UTC)
- Expired
- Jun 16, 2008, 5:09 PM CDT
- In force
- 38 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
Counties Beckham County, OK, Custer County, OK, Roger Mills County, OK, Washita County, OK
The radar
The Altus AFB radar (KFDR), 128 km from the middle of the area, began a volume at 21:34 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 16, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Fort Sill, OK (KFSI), launched 12:00Z, 9.5 hours before the alert went out and 125 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
- 197 J/kg
- Mixed-layer CIN
- -410 J/kg
- Mixed-layer LCL
- 2158 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 3:02 PM CDT, 1 hour 29 minutes earlier.
Area forecast discussion, Jun 16, 3:02 PM CDT, 1 hour 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
302 PM CDT MON JUN 16 2008
.DISCUSSION...
A STORM COMPLEX OVER THE NORTHEAST QUADRANT OF OKLAHOMA IS
EXPECTED TO CONTINUE TO MOVE SOUTHEAST... LIKELY AFFECTING MANY OF
OUR EASTERN-EDGE COUNTIES LATE THIS AFTERNOON. STRONG TO SEVERE
STORMS ARE ALSO EXPECTED TO FORM LATE THIS AFTERNOON OVER THE
SOUTHWEST HALF OF OKLAHOMA... ESPECIALLY IN THE VICINITY OF AN
OUTFLOW BOUNDARY THAT CURRENTLY EXTENDS FROM JUST SOUTH OF
CHEYENNE OKLAHOMA TO NEAR ARDMORE. FINALLY... YET ANOTHER GROUP OF
STORMS IS EXPECTED TO FORM OVER COLORADO THIS AFTERNOON... THEN
ADVANCE SOUTHEAST WITH THE PREVAILING FLOW... REACHING OKLAHOMA
LATE TONIGHT AND TUESDAY MORNING. WITH ALL THE STORMS...
ESPECIALLY THE LATTER GROUP... HEAVY RAIN WILL BE LIKELY OVER MUCH
OF OUR FORECAST AREA. THE GREATEST RAINFALL AMOUNTS WILL LIKELY
BE CENTERED ON A LINE FROM WOODWARD TO OKLAHOMA CITY TO ADA...
WHICH COINCIDES WITH SOME OF THE LOWER FLASH FLOOD GUIDANCE
VALUES. SO... WE WILL INCLUDE A FLASH FLOOD WATCH WITH THIS
FORECAST PACKAGE.
ONGOING WEATHER HAS LEFT LITTLE TIME FOR LOOKING AHEAD. BASED ON A
QUICK PERUSAL OF THE UPPER-AIR PATTERN... IT APPEARS THAT
NIGHTTIME NORTHWEST-FLOW CONVECTION WILL BE THE RULE FOR THE NEXT
FEW DAYS... WITH REMNANTS LEFT OVER IN THE MORNINGS. AS THE UPPER
RIDGE STRENGTHENS A BIT TOWARD THE WEEKEND... RAIN CHANCES WILL
DIMINISH. NUMERICAL GUIDANCE SHOWS A RAIN-FREE WEEKEND... BUT
WOULD NOT BE SURPRISED IF CHANCES OF RAIN ARE INTRODUCED IN
SUBSEQUENT FORECASTS.
TEMPERATURES WILL DEPEND HEAVILY ON THE TIMING AND LOCATION OF ANY
THUNDERSTORM COMPLEXES... SO THE FORECAST PAST TONIGHT IS LOW
CONFIDENCE.
&&
.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK 67 82 66 89 / 70 40 30 10
HOBART OK 71 89 68 92 / 60 20 40 0
WICHITA FALLS TX 74 91 71 93 / 30 20 30 10
GAGE OK 63 81 65 91 / 50 20 50 0
PONCA CITY OK 64 77 62 85 / 50 30 30 10
DURANT OK 73 86 68 88 / 50 40 20 10
&&
.OUN WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH FROM 7 PM CDT THIS EVENING THROUGH TUESDAY
AFTERNOON FOR OKZ011>013-015>019-022>025-027>029-035-
038>040.
FLASH FLOOD WATCH FROM 1 AM CDT TUESDAY THROUGH TUESDAY
AFTERNOON FOR OKZ031-032-042-043-047-048.
FLASH FLOOD WATCH FROM 7 PM CDT THIS EVENING THROUGH TUESDAY
AFTERNOON FOR OKZ020-026-030-041.
TX...NONE.
&&
11/23In the hours before
Special weather statement, Jun 16, 1:58 PM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 158 PM CDT MON JUN 16 2008 OKZ012-013-020-161945- GARFIELD OK-NOBLE OK-PAYNE OK- 158 PM CDT MON JUN 16 2008 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR GARFIELD...NOBLE AND PAYNE COUNTIES. THE LEADING EDGE OF AN AREA OF STRONG THUNDERSTORMS WAS LOCATED FROM 30 MILES NORTHEAST OF SOONER LAKE TO 3 MILES SOUTHWEST OF BRECKENRIDGE AT 158 PM CDT...MOVING SOUTHEAST AT 42 MPH. OCCASIONAL HEAVY RAIN... SMALL HAIL... AND GUSTY WINDS TO 40 MPH WILL BE LIKELY WITH THESE STORMS. CMS
Special weather statement, Jun 16, 2:41 PM CDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 241 PM CDT MON JUN 16 2008 OKZ013-018>020-026-162015- LINCOLN OK-LOGAN OK-KINGFISHER OK-NOBLE OK-PAYNE OK- 241 PM CDT MON JUN 16 2008 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR KINGFISHER...LINCOLN... LOGAN...NOBLE AND PAYNE COUNTIES. A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM QUAY TO 3 MILES NORTH OF LOVELL AT 241 PM CDT...MOVING SOUTH AT 36 MPH. STRONG WINDS UP TO 50 TO 55 MPH WILL BE LIKELY WITH THESE STORMS. THE STRONG WINDS WILL EXTEND AHEAD OF THE STORMS BY 10 TO 20 MILES. HEAVY RAIN AND SMALL HAIL WILL ALSO OCCUR WITHIN THE THUNDERSTORMS. PEOPLE IN KINGFISHER...LINCOLN...LOGAN...NOBLE AND PAYNE COUNTIES... INCLUDING THE CITIES OF GUTHRIE AND STILLWATER...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. CMS
Special weather statement, Jun 16, 3:14 PM CDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 314 PM CDT MON JUN 16 2008 OKZ019-025-026-030-031-162045- LINCOLN OK-LOGAN OK-OKLAHOMA OK-POTTAWATOMIE OK-SEMINOLE OK- 314 PM CDT MON JUN 16 2008 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR LINCOLN...LOGAN... OKLAHOMA...POTTAWATOMIE AND SEMINOLE COUNTIES. A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM 9 MILES EAST OF AVERY TO 9 MILES NORTH OF LUTHER AT 314 PM CDT...MOVING SOUTHEAST AT 59 MPH. STRONG WIND GUSTS TO 55 MPH ARE POSSIBLE WITH THESE STORMS. STRONG WIND GUSTS WILL OCCUR AS MUCH AS 10 MILES IN ADVANCE OF THE STORMS. IN ADDITION TO THE WIND... VERY HEAVY RAIN AND SMALL HAIL WILL BE LIKELY. PEOPLE IN LINCOLN...LOGAN...OKLAHOMA...POTTAWATOMIE AND SEMINOLE COUNTIES...INCLUDING THE CITIES OF EDMOND...MIDWEST CITY AND OKLAHOMA CITY...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. CMS
Special weather statement, Jun 16, 3:45 PM CDT, 46 minutes before
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</html>Local storm report, Jun 16, 3:46 PM CDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
346 PM CDT MON JUN 16 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0340 PM HAIL 6 SE CUSTER CITY 35.60N 98.81W
06/16/2008 E1.75 INCH CUSTER OK PUBLIC
&&
JB/FMSpecial weather statement, Jun 16, 4:12 PM CDT, 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 412 PM CDT MON JUN 16 2008 OKZ030>032-042-162145- POTTAWATOMIE OK-SEMINOLE OK-HUGHES OK-PONTOTOC OK- 412 PM CDT MON JUN 16 2008 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR HUGHES...PONTOTOC... POTTAWATOMIE AND SEMINOLE COUNTIES. A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM CROMWELL TO 7 MILES SOUTHWEST OF BETHEL ACRES AT 412 PM CDT...MOVING SOUTHEAST AT 39 MPH. STRONG NORTH WINDS... GUSTING TO BETWEEN 40 AND 50 MPH AT TIMES... MAY ACCOMPANY THESE STORMS. IN ADDITION TO THE WINDS... A BRIEF PERIOD OF HEAVY RAIN AND SMALL HAIL WILL BE LIKELY. PEOPLE IN HUGHES...PONTOTOC...POTTAWATOMIE AND SEMINOLE COUNTIES... INCLUDING THE CITY OF SHAWNEE...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. CMS
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 9:40 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant, Kay | 80 min |
| Jun 15, 9:55 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey | 65 min |
| Jun 15, 10:35 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Custer, Washita | 70 min |
| Jun 15, 11:09 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Grady, Kingfisher | 81 min |
| Jun 15, 11:14 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 76 min |
| Jun 16, 12:11 AM CDT | Severe Thunderstorm Warning | OUN | Noble, Payne | 79 min |
| Jun 16, 1:00 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 35 min |
| Jun 16, 3:12 PM CDT | Flash Flood Watch | OUN | Atoka, Blaine, Caddo, Canadian, Cleveland, Coal and 23 more | 11 hr |
| Jun 16, 3:30 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie, Seminole | 45 min |
| Jun 16, 3:34 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Custer | 56 min |
| Jun 16, 3:41 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey | 64 min |
| Jun 16, 4:00 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Custer, Washita | 30 min |
| Jun 16, 4:15 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Washita | 45 min |
| Jun 16, 4:24 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Custer, Washita | 51 min |
| Jun 16, 4:33 PM CDT | Severe Thunderstorm Warning | OUN | Custer | 23 min |
| Jun 16, 5:02 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Washita | 43 min |
| Jun 16, 5:15 PM CDT | Tornado Warning | OUN | Kiowa, Washita | 30 min |
| Jun 16, 5:16 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Kiowa, Washita | 44 min |
| Jun 16, 5:19 PM CDT | Severe Thunderstorm Warning | OUN | Beckham | 41 min |
| Jun 16, 5:41 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Washita | 49 min |
| Jun 16, 5:45 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Kiowa | 45 min |
| Jun 16, 5:53 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 31 min |
| Jun 16, 5:56 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Greer | 34 min |
| Jun 16, 6:12 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Kiowa | 18 min |
| Jun 16, 6:28 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Jackson | 47 min |
| Jun 16, 6:32 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher, Logan | 43 min |
| Jun 16, 6:34 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 41 min |
| Jun 16, 6:35 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 40 min |
| Jun 15, 9:03 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman, Knox | 57 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2008Every severe thunderstorm warning in 2008
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.