Alert archive / Texas / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 891, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Oct 19, 2016, 9:42 PM CDT for Archer County, Baylor County, Texas. It was in force for 32 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
- Oct 19, 2016, 9:42 PM CDT (02:42 UTC)
- Expired
- Oct 19, 2016, 10:14 PM CDT
- In force
- 32 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Archer County, TX, Baylor County, TX
The radar
The Altus AFB radar (KFDR), 83 km from the middle of the area, began a volume at 02:42 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
Fort Worth, TX (KFWD), launched 00:00Z, 2.7 hours before the alert went out and 177 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
- 740 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1774 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 Oct 19, 6:10 PM CDT, 3 hours 32 minutes earlier.
Area forecast discussion, Oct 19, 6:10 PM CDT, 3 hours 32 minutes before
Area Forecast Discussion National Weather Service Norman OK 610 PM CDT Wed Oct 19 2016 .DISCUSSION... Please see the 00Z aviation discussion below. && .AVIATION... A cold front will continue to push southward this evening. A few showers and storms are trying to develop near OUN, LAW, and SPS right now. However, storm coverage should remain fairly low near OUN and LAW so will only include VCTS there. Over SPS, storm coverage should increase dramatically over the next 2-3 hours so a tempo group has been included there. Otherwise, expect some gusts to around 20 to 25 kt from the north behind the front with some VFR cigs around 040-050. && .PRELIMINARY POINT TEMPS/POPS... Oklahoma City OK 54 68 44 72 / 20 0 0 0 Hobart OK 53 69 43 73 / 10 0 0 0 Wichita Falls TX 57 71 45 73 / 50 10 0 0 Gage OK 44 66 38 79 / 0 0 0 0 Ponca City OK 50 66 41 71 / 10 0 0 0 Durant OK 59 72 47 73 / 70 30 0 0 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...None. TX...None. && 30/03/03
Hazardous weather outlook, Oct 19, 7:45 PM CDT, 1 hour 57 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NORMAN OK 745 PM CDT WED OCT 19 2016 OKZ004>048-050>052-TXZ083>090-202015- HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD- NOBLE-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE- BECKHAM-WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN- CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON- TILLMAN-COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON- JEFFERSON-CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN- FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY- 745 PM CDT WED OCT 19 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN... WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...THROUGH TONIGHT... .THUNDERSTORMS... THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS EVENING ACROSS PORTIONS OF CENTRAL AND SOUTHERN OKLAHOMA AND WESTERN NORTH TEXAS. LOCATION... THE MARGINAL RISK IS SOUTHEAST OF A LINE FROM CHANDLER TO PURCELL TO LAWTON OKLAHOMA TO VERNON AND BENJAMIN TEXAS. TIMING... THE MOST LIKELY TIME FOR SEVERE STORMS WILL BE THROUGH MIDNIGHT. IMPACTS... HAIL TO THE SIZE OF HALF DOLLARS AND WINDS TO 60 MPH WILL BE POSSIBLE WITH THE STRONGEST STORMS. HEAVY RAINFALL AND LOCALIZED FLOODING WILL ALSO BE POSSIBLE. DISCUSSION... AN UPPER LEVEL DISTURBANCE WILL CONTINUE TO MOVE THROUGH THE CENTRAL PLAINS OVERNIGHT. AS THIS OCCURS A COLD FRONT WILL MOVE SOUTH THROUGH SOUTHERN OKLAHOMA INTO NORTH TEXAS. SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ALONG AND SOUTH OF THE COLD FRONT THIS EVENING. A FEW SEVERE STORMS WILL BE POSSIBLE THROUGH THE EVENING HOURS... CAPABLE OF PRODUCING HAIL TO THE SIZE OF HALF DOLLARS AND WINDS TO 60 MPH. STORMS WILL BE SLOW TO MOVE... AND SUCCESSIVE STORMS MOVING OVER THE SAME AREA CAN LEAD TO AREAS OF HEAVY RAIN AND LOCALIZED FLOODING. THE SEVERE WEATHER THREAT WILL DECREASE THROUGH THE EVENING HOURS AS INSTABILITY DECREASES. .SPOTTER AND EMERGENCY MANAGEMENT STATEMENT... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS PORTIONS OF CENTRAL AND SOUTHERN OKLAHOMA SHOULD BE PREPARED FOR THE POSSIBILITY OF SEVERE WEATHER OPERATIONS THIS EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... .THUNDERSTORMS... THE NEXT CHANCE OF THUNDERSTORMS WILL BE ON TUESDAY. GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK. SPEG/30
In the hours before
Special weather statement, Oct 19, 8:26 PM CDT, 1 hour 16 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 19, 7:16 PM CDT | Special Weather Statement | OUN | Okfuskee | 14 min |
| Oct 19, 7:19 PM CDT | Special Weather Statement | OUN | Pottawatomie | 41 min |
| Oct 19, 7:24 PM CDT | Special Weather Statement | OUN | Pottawatomie | 36 min |
| Oct 19, 8:13 PM CDT | Special Weather Statement | OUN | Pottawatomie | 47 min |
| Oct 19, 8:26 PM CDT | Special Weather Statement | OUN | Garvin | 34 min |
| Oct 19, 8:49 PM CDT | Special Weather Statement | OUN | Stephens | 41 min |
| Oct 19, 9:00 PM CDT | Special Weather Statement | OUN | Tillman | 45 min |
| Oct 19, 9:29 PM CDT | Areal Flood Advisory | OUN | Cotton, Jefferson, Stephens | 3 hr |
| Oct 19, 9:36 PM CDT | Special Weather Statement | OUN | Jefferson | 39 min |
| Oct 19, 10:17 PM CDT | Special Weather Statement | OUN | Carter, Jefferson, Love, Murray | 58 min |
| Oct 19, 11:31 PM CDT | Special Weather Statement | OUN | Coal, Johnston | 59 min |
| Oct 19, 7:33 PM CDT | Special Weather Statement | OUN | Wilbarger | 42 min |
| Oct 19, 8:03 PM CDT | Special Weather Statement | OUN | Wilbarger | 42 min |
| Oct 19, 8:17 PM CDT | Severe Thunderstorm Warning | OUN | Wilbarger | 43 min |
| Oct 19, 8:40 PM CDT | Special Weather Statement | OUN | Baylor | 50 min |
| Oct 19, 8:41 PM CDT | Special Weather Statement | OUN | Wilbarger | 49 min |
| Oct 19, 8:55 PM CDT | Severe Thunderstorm Warning | OUN | Baylor | 50 min |
| Oct 19, 9:58 PM CDT | Special Weather Statement | OUN | Baylor | 47 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2016Every severe thunderstorm warning in 2016
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.