Alert archive / Texas / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 49
The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2013, 1:46 PM CST for 12 counties in Oklahoma; 35 counties in Texas. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2013, 1:46 PM CST (19:46 UTC)
- Expired
- Mar 9, 2013, 11:00 PM CST
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 47 counties
Atoka County, OK, Bryan County, OK, Carter County, OK, Coal County, OK, Garvin County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pontotoc County, OK, Stephens County, OK, Bosque County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Fannin County, TX, Grayson County, TX, Hamilton County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Kimble County, TX, Lampasas County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, San Saba County, TX, Somervell County, TX, Stephens County, TX, Sutton County, TX, Tarrant County, TX, Wise County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 88 km from the middle of the area, began a volume at 19:49 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
52 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 1:47 PM CST | Severe Thunderstorm Warning | FWD | Young | 43 min |
| Mar 9, 2:00 PM CST | Severe Thunderstorm Warning | OUN | Archer, Clay | 60 min |
| Mar 9, 2:05 PM CST | Severe Thunderstorm Warning | OUN | Garvin, Grady, McClain, Stephens | 40 min |
| Mar 9, 2:17 PM CST | Severe Thunderstorm Warning | FWD | Jack, Young | 58 min |
| Mar 9, 2:26 PM CST | Severe Thunderstorm Warning | FWD | Young | 34 min |
| Mar 9, 2:38 PM CST | Severe Thunderstorm Warning | OUN | Jefferson | 67 min |
| Mar 9, 3:07 PM CST | Severe Thunderstorm Warning | FWD | Montague | 53 min |
| Mar 9, 3:13 PM CST | Severe Thunderstorm Warning | FWD | Jack, Wise | 32 min |
| Mar 9, 3:28 PM CST | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Love, Marshall | 62 min |
| Mar 9, 3:36 PM CST | Severe Thunderstorm Warning | FWD | Jack, Wise | 54 min |
| Mar 9, 3:55 PM CST | Severe Thunderstorm Warning | FWD | Cooke, Montague | 65 min |
| Mar 9, 4:09 PM CST | Severe Thunderstorm Warning | FWD | Montague | 51 min |
| Mar 9, 4:29 PM CST | Severe Thunderstorm Warning | FWD | Wise | 46 min |
| Mar 9, 4:33 PM CST | Severe Thunderstorm Warning | FWD | Jack, Palo Pinto, Parker | 57 min |
| Mar 9, 4:37 PM CST | Severe Thunderstorm Warning | SJT | Brown | 23 min |
| Mar 9, 4:52 PM CST | Severe Thunderstorm Warning | SJT | Brown | 38 min |
| Mar 9, 4:57 PM CST | Severe Thunderstorm Warning | FWD | Cooke, Denton, Montague, Wise | 63 min |
| Mar 9, 5:04 PM CST | Severe Thunderstorm Warning | FWD | Comanche, Eastland | 56 min |
| Mar 9, 5:11 PM CST | Severe Thunderstorm Warning | SJT | Brown, Coleman, McCulloch, San Saba | 49 min |
| Mar 9, 5:14 PM CST | Severe Thunderstorm Warning | FWD | Wise | 46 min |
| Mar 9, 5:19 PM CST | Severe Thunderstorm Warning | FWD | Erath, Hood, Palo Pinto, Parker | 56 min |
| Mar 9, 5:28 PM CST | Severe Thunderstorm Warning | SJT | Concho, Menard | 47 min |
| Mar 9, 5:37 PM CST | Severe Thunderstorm Warning | SJT | Concho, McCulloch | 38 min |
| Mar 9, 5:53 PM CST | Severe Thunderstorm Warning | SJT | Concho, McCulloch | 37 min |
| Mar 9, 5:56 PM CST | Severe Thunderstorm Warning | SJT | Brown, McCulloch, San Saba | 49 min |
| Mar 9, 5:57 PM CST | Severe Thunderstorm Warning | SJT | Concho, Menard | 33 min |
| Mar 9, 6:11 PM CST | Severe Thunderstorm Warning | SJT | Kimble | 34 min |
| Mar 9, 6:20 PM CST | Severe Thunderstorm Warning | SJT | Brown, McCulloch, San Saba | 40 min |
| Mar 9, 6:23 PM CST | Severe Thunderstorm Warning | FWD | Cooke, Denton, Grayson | 67 min |
| Mar 9, 6:28 PM CST | Severe Thunderstorm Warning | SJT | Concho, Menard | 32 min |
| Mar 9, 6:43 PM CST | Severe Thunderstorm Warning | SJT | Kimble, Menard | 32 min |
| Mar 9, 6:52 PM CST | Severe Thunderstorm Warning | SJT | Kimble, McCulloch, Mason, Menard | 38 min |
| Mar 9, 6:56 PM CST | Severe Thunderstorm Warning | SJT | Kimble, Menard, Sutton | 49 min |
| Mar 9, 7:05 PM CST | Tornado Warning | SJT | Kimble | 25 min |
| Mar 9, 7:08 PM CST | Severe Thunderstorm Warning | SJT | Concho, Menard | 37 min |
| Mar 9, 7:16 PM CST | Severe Thunderstorm Warning | SJT | McCulloch | 29 min |
| Mar 9, 7:18 PM CST | Severe Thunderstorm Warning | FWD | Hamilton | 57 min |
| Mar 9, 7:20 PM CST | Severe Thunderstorm Warning | SJT | San Saba | 10 min |
| Mar 9, 7:26 PM CST | Severe Thunderstorm Warning | SJT | Kimble, Mason | 49 min |
| Mar 9, 7:35 PM CST | Severe Thunderstorm Warning | SJT | San Saba | 25 min |
| Mar 9, 7:35 PM CST | Severe Thunderstorm Warning | SJT | McCulloch | 25 min |
| Mar 9, 7:39 PM CST | Severe Thunderstorm Warning | FWD | Mills | 66 min |
| Mar 9, 7:47 PM CST | Severe Thunderstorm Warning | SJT | Kimble, Menard | 43 min |
| Mar 9, 8:09 PM CST | Severe Thunderstorm Warning | SJT | McCulloch, San Saba | 51 min |
| Mar 9, 8:11 PM CST | Severe Thunderstorm Warning | FWD | Bosque, Coryell, Hamilton | 64 min |
| Mar 9, 8:24 PM CST | Tornado Warning | SJT | Kimble, Mason, Menard | 36 min |
| Mar 9, 8:46 PM CST | Severe Thunderstorm Warning | SJT | Kimble, Mason | 29 min |
| Mar 9, 8:51 PM CST | Tornado Warning | SJT | Kimble, Mason | 24 min |
| Mar 9, 8:58 PM CST | Severe Thunderstorm Warning | SJT | Kimble | 32 min |
| Mar 9, 9:10 PM CST | Severe Thunderstorm Warning | FWD | Bosque, Hill, McLennan | 65 min |
| Mar 9, 9:15 PM CST | Severe Thunderstorm Warning | SJT | Mason | 30 min |
| Mar 9, 10:28 PM CST | Severe Thunderstorm Warning | FWD | Bell, Coryell, McLennan | 62 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 7.8 hours before the alert went out and 99 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 494 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 418 m²/s²
- 0-3 km storm-relative helicity
- 599 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 7:24 PM CST | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Harmon, Harper, Roger Mills and 1 more | 96 min |
| Mar 8, 8:09 PM CST | Severe Thunderstorm Watch | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Harper and 3 more | 7 hr |
| Mar 8, 11:33 PM CST | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Harper and 2 more | 87 min |
| Mar 9, 2:39 AM CST | Mesoscale Discussion | SPC | Beaver, Beckham, Dewey, Ellis, Greer, Harmon and 5 more | 66 min |
| Mar 9, 12:39 PM CST | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Garvin, Grady, Jefferson and 2 more | 2 hr |
| Mar 9, 3:34 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Coal, Garvin, Hughes and 6 more | 86 min |
| Mar 9, 5:41 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Coal, Haskell, Hughes, Johnston and 6 more | 94 min |
Nearby
Severe Thunderstorm Watches in Texas, 2013Severe Thunderstorm Watches in Oklahoma, 2013Every severe thunderstorm watch 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.