Alert archive / Texas / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 201, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 17, 2013, 6:39 AM CDT for Denton County, Texas. It was in force for 66 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 17, 2013, 6:39 AM CDT (11:39 UTC)
- Expired
- Jun 17, 2013, 7:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
County Denton County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 72 km from the middle of the area, began a volume at 11:42 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, 11.7 hours before the alert went out and 45 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
- 1098 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 2009 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.2
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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 3:53 AM CDT, 2 hours 46 minutes earlier.
Area forecast discussion, Jun 17, 3:53 AM CDT, 2 hours 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FORT WORTH TX 353 AM CDT MON JUN 17 2013 .DISCUSSION... A LARGE MCS WILL CONTINUE MOVING SOUTHEAST TOWARD NORTH TEXAS EARLY THIS MORNING AND SHOULD REACH THE NORTHWEST ZONES SHORTLY BEFORE 6 AM AS PER THE HRRR AND 4KM WRF SOLUTIONS AS WELL AS LINEAR EXTRAPOLATION. THE COMPLEX SHOULD WEAKEN AS IT MOVES FARTHER AWAY FROM ITS UPPER SUPPORT AND ALSO ONCE A 30 KNOT LOW LEVEL JET DECREASES LATER THIS MORNING. THIS SOLUTION IS ALSO SUPPORTED BY THE HRRR AND 4KM WRF. WE STILL EXPECT EXTENSIVE CLOUD COVER AND SCATTERED TO NUMEROUS STORMS...THROUGH THE MORNING WITH THE EXPECTED TIME OF ARRIVAL OF STORMS AT THE METROPLEX BETWEEN 13 AND 15Z. SOME IMPRESSIVE WIND GUSTS BETWEEN 50 AND 55 KNOTS ARE OCCURRING WITH THE COMPLEX. IT IS VERY POSSIBLE THAT SOME SIMILAR WIND GUSTS COULD OCCUR ACROSS THE NORTHWEST CWA BY 6 AM. EXPECT STORMS TO BECOME LESS ORGANIZED BY MIDDAY AND AFFECT MAINLY THE EAST/NORTHEAST ZONES. MODELS ARE CONSISTENT ON DEVELOPING MORE STORMS ACROSS WEST TEXAS ALONG A FAST MOVING SHORT WAVE AND COLD FRONT LATE THIS AFTERNOON. AM A BIT CONCERNED THAT EXTENSIVE OVERNIGHT/MORNING CONVECTION MAY HINDER STORM DEVELOPMENT THIS AFTERNOON. HOWEVER...THE ATMOSPHERE MAY HAVE JUST ENOUGH TIME TO RECOVER BEFORE SURFACE HEATING IS LOST. STORMS SHOULD ORGANIZE ALONG THE COLD FRONT AND MOVE SOUTHEAST INTO NORTH TEXAS TONIGHT/TUESDAY MORNING. AGAIN...WILL KEEP THE HIGHEST POPS ACROSS THE NORTHERN ZONES. THE COLD FRONT IS PROGGED TO STALL ACROSS THE NORTHERN HALF OF THE REGION TUESDAY NIGHT AND LIFT NORTH OF THE RED RIVER BY WEDNESDAY EVENING. AFTER WEDNESDAY...UPPER LEVEL HIGH PRESSURE WILL BUILD FROM TEXAS...NORTHWARD THROUGH THE CENTRAL PLAINS. THIS PATTERN WILL RESULT IN HOT TEMPERATURES AND LITTLE RAIN CHANCES WEDNESDAY NIGHT THROUGH EARLY NEXT WEEK. EXPECT AFTERNOON HIGHS THROUGH EARLY NEXT WEEK MAINLY IN THE LOWER AND MIDDLE 90S...EXPERT FOR SOME UPPER 90S IN THE WEST. OVERNIGHT LOWS WILL BE IN THE 70S THROUGH EARLY NEXT WEEK. 79 && .PRELIMINARY POINT TEMPS/POPS... DALLAS-FT. WORTH, TX 97 77 92 75 95 / 20 30 30 20 20 WACO, TX 95 75 93 74 94 / 10 20 20 20 10 PARIS, TX 93 73 87 72 88 / 50 30 40 40 40 DENTON, TX 98 75 92 73 94 / 40 30 40 30 20 MCKINNEY, TX 94 73 90 73 92 / 30 30 40 30 20 DALLAS, TX 96 77 92 76 93 / 20 30 30 20 20 TERRELL, TX 95 75 91 73 92 / 20 20 30 20 20 CORSICANA, TX 95 74 91 74 92 / 10 20 20 20 10 TEMPLE, TX 95 72 92 73 92 / 5 20 20 10 10 MINERAL WELLS, TX 96 72 92 71 95 / 30 30 30 20 10 && .FWD WATCHES/WARNINGS/ADVISORIES... NONE. && 91/79
Hazardous weather outlook, Jun 17, 3:56 AM CDT, 2 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FORT WORTH TX 356 AM CDT MON JUN 17 2013 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-181200- MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN- HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS- ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL- JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO- FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE- LEON-MILAM-ROBERTSON- 356 AM CDT MON JUN 17 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...TODAY AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF NORTH TEXAS THROUGH TONIGHT. BEST CHANCES WILL BE THIS MORNING INTO AFTERNOON ALONG AND NORTH OF INTERSTATE 20. STRONG WINDS AND FREQUENT LIGHTNING WILL BE THE MAIN THREATS WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TUESDAY AND WEDNESDAY ACROSS PARTS OF NORTH TEXAS. BEST CHANCES WILL BE CLOSER TO THE RED RIVER ON TUESDAY. DAMAGING WINDS AND FREQUENT LIGHTNING WILL BE THE MAIN THREATS WITH THESE STORMS. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DUNN
In the hours before
Special weather statement, Jun 17, 4:58 AM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
458 AM CDT MON JUN 17 2013
TXZ100-171100-
YOUNG TX-
458 AM CDT MON JUN 17 2013
...SIGNIFICANT WEATHER ADVISORY FOR...
YOUNG COUNTY
AT 457 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS FROM WICHITA FALLS TO NORTHWEST OF
OLNEY...MOVING SOUTHEAST AT 40 MPH.
CITIES IN THE PATH OF THIS STORM INCLUDE GRAHAM AND OLNEY.
WIND GUSTS TO 50 MPH ARE LIKELY ON THE LEADING EDGE OF THESE
STORMS. FREQUENT LIGHTNING AND HEAVY RAINFALL WILL ACCOMPANY THESE
STORMS AS THEY MOVE THROUGH OVER THE NEXT HOUR.
LAT...LON 3340 9896 3341 9895 3341 9885 3339 9879
3340 9842 3295 9843 3296 9895 3325 9896
3328 9897
TIME...MOT...LOC 0957Z 327DEG 36KT 3334 9888
DUNNSpecial weather statement, Jun 17, 5:38 AM CDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
538 AM CDT MON JUN 17 2013
TXZ101-171145-
JACK TX-
538 AM CDT MON JUN 17 2013
...SIGNIFICANT WEATHER ADVISORY FOR...
JACK COUNTY
AT 538 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS 10 MILES NORTHWEST OF JACKSBORO...MOVING
SOUTHEAST AT 45 MPH.
CITIES IN THE PATH OF THIS STORM INCLUDE BRYSON AND JACKSBORO.
WIND GUSTS TO 50 MPH ALONG WITH FREQUENT LIGHTNING AND HEAVY
RAINFALL ARE LIKELY WITH THESE STORMS.
LAT...LON 3347 9798 3343 9798 3343 9792 3300 9793
3301 9843 3347 9842
TIME...MOT...LOC 1038Z 301DEG 41KT 3332 9832
DUNNLocal storm report, Jun 17, 6:04 AM CDT, 35 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 9:49 PM CDT | Special Weather Statement | FWD | Lamar | 56 min |
| Jun 17, 4:58 AM CDT | Special Weather Statement | FWD | Young | 62 min |
| Jun 17, 5:29 AM CDT | Severe Thunderstorm Warning | FWD | Montague | 61 min |
| Jun 17, 5:38 AM CDT | Special Weather Statement | FWD | Jack | 67 min |
| Jun 17, 6:02 AM CDT | Severe Thunderstorm Warning | FWD | Jack, Wise | 58 min |
| Jun 17, 6:08 AM CDT | Severe Thunderstorm Warning | FWD | Cooke | 67 min |
| Jun 17, 6:54 AM CDT | Special Weather Statement | FWD | Grayson | 66 min |
| Jun 17, 7:04 AM CDT | Special Weather Statement | FWD | Tarrant | 26 min |
| Jun 17, 7:30 AM CDT | Areal Flood Advisory | FWD | Collin, Dallas, Denton, Tarrant | 90 min |
| Jun 17, 7:45 AM CDT | Special Weather Statement | FWD | Delta, Hunt | 30 min |
| Jun 17, 7:48 AM CDT | Special Weather Statement | FWD | Collin, Dallas, Rockwall | 27 min |
| Jun 17, 7:56 AM CDT | Special Weather Statement | FWD | Ellis, Johnson | 34 min |
| Jun 17, 3:17 PM CDT | Special Weather Statement | FWD | Jack | 28 min |
| Jun 17, 3:26 PM CDT | Severe Thunderstorm Warning | FWD | Young | 64 min |
| Jun 17, 3:51 PM CDT | Special Weather Statement | FWD | Parker | 24 min |
| Jun 17, 4:02 PM CDT | Severe Thunderstorm Warning | FWD | Jack, Palo Pinto, Parker | 58 min |
| Jun 17, 4:06 PM CDT | Special Weather Statement | FWD | Denton | 24 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013
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.