Alert archive / Oklahoma / Severe Thunderstorm Watches in 2018
Severe Thunderstorm Watch 326
The Storm Prediction Center issued this severe thunderstorm watch at Jul 30, 2018, 3:49 AM CDT for 15 counties in Oklahoma; 6 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 30, 2018, 3:49 AM CDT (08:49 UTC)
- Expired
- Jul 30, 2018, 8:27 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 21 counties
Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Cotton County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pittsburg County, OK, Pushmataha County, OK, Stephens County, OK, Clay County, TX, Cooke County, TX, Fannin County, TX, Grayson County, TX, Lamar County, TX, Montague County, TX
The radar
The Norman radar (KTLX), 163 km from the middle of the area, began a volume at 08:50 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 4:37 AM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Jefferson, Murray, Stephens | 38 min |
| Jul 30, 4:46 AM CDT | Severe Thunderstorm Warning | OUN | Coal, Hughes, Pontotoc, Pottawatomie, Seminole | 44 min |
| Jul 30, 5:29 AM CDT | Severe Thunderstorm Warning | OUN | Coal, Hughes, Johnston, Pontotoc, Seminole | 46 min |
| Jul 30, 6:31 AM CDT | Severe Thunderstorm Warning | FWD | Cooke | 41 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 9:44 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 17 more | 61 min |
| Jul 29, 10:04 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 26 more | 7 hr |
| Jul 29, 11:49 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 35 more | 56 min |
| Jul 30, 2:01 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Caddo, Carter, Choctaw, Cleveland and 22 more | 59 min |
| Jul 30, 6:27 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Pushmataha | 93 min |
| Jul 30, 12:17 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Garfield, Grant, Kay, Major, Noble and 4 more | 2 hr |
| Jul 30, 3:47 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 14 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2018Severe Thunderstorm Watches in Texas, 2018Every severe thunderstorm watch in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.