Alert archive / Florida / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 192, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 21, 2017, 7:41 PM CDT for Santa Rosa County, Florida; Escambia County, Alabama. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2017, 7:41 PM CDT (00:41 UTC)
- Expired
- Jun 21, 2017, 8:20 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Escambia County, AL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 00:42 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 6:45 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.7 hours before the alert went out and 247 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
- 55 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 682 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 196 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
963 WUUS54 KMOB 220041 SVRMOB ALC053-FLC113-220130- /O.NEW.KMOB.SV.W.0192.170622T0041Z-170622T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Mobile AL 741 PM CDT WED JUN 21 2017 The National Weather Service in Mobile has issued a * Severe Thunderstorm Warning for... South central Escambia County in south central Alabama... North central Santa Rosa County in northwestern Florida... * Until 830 PM CDT * At 741 PM CDT, a severe thunderstorm was located near Jay, or 11 miles east of Century, moving north at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Brewton, East Brewton, Jay, Pollard and Riverview. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && A tornado watch remains in effect until 300 AM CDT for south central Alabama...and northwestern Florida. LAT...LON 3083 8713 3118 8721 3119 8702 3084 8699 TIME...MOT...LOC 0041Z 173DEG 23KT 3091 8708 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$
3 follow-up statements
753 WWUS54 KMOB 220057 SVSMOB Severe Weather Statement National Weather Service Mobile AL 757 PM CDT WED JUN 21 2017 ALC053-FLC113-220130- /O.CON.KMOB.SV.W.0192.000000T0000Z-170622T0130Z/ Escambia AL-Santa Rosa FL- 757 PM CDT WED JUN 21 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR SOUTH CENTRAL ESCAMBIA AND NORTH CENTRAL SANTA ROSA COUNTIES... At 757 PM CDT, a severe thunderstorm was located near Riverview, or near Brewton, moving north at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Brewton, East Brewton, Pollard and Riverview. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && A tornado watch remains in effect until 300 AM CDT for south central Alabama...and northwestern Florida. LAT...LON 3118 8721 3119 8702 3097 8700 3096 8716 TIME...MOT...LOC 0057Z 173DEG 23KT 3101 8709 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$
307 WWUS54 KMOB 220057 RRA SVSMOB Severe Weather Statement National Weather Service Mobile AL 757 PM CDT WED JUN 21 2017 ALC053-FLC113-220130- /O.CON.KMOB.SV.W.0192.000000T0000Z-170622T0130Z/ Escambia AL-Santa Rosa FL- 757 PM CDT WED JUN 21 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR SOUTH CENTRAL ESCAMBIA AND NORTH CENTRAL SANTA ROSA COUNTIES... At 757 PM CDT, a severe thunderstorm was located near Riverview, or near Brewton, moving north at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Brewton, East Brewton, Pollard and Riverview. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && A tornado watch remains in effect until 300 AM CDT for south central Alabama...and northwestern Florida. LAT...LON 3118 8721 3119 8702 3097 8700 3096 8716 TIME...MOT...LOC 0057Z 173DEG 23KT 3102 8709 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$
391
WWUS54 KMOB 220120
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
820 PM CDT WED JUN 21 2017
ALC053-FLC113-220129-
/O.CAN.KMOB.SV.W.0192.000000T0000Z-170622T0130Z/
Escambia AL-Santa Rosa FL-
820 PM CDT WED JUN 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ESCAMBIA AND
NORTH CENTRAL SANTA ROSA COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 300 AM CDT for south central
Alabama...and northwestern Florida.
LAT...LON 3118 8721 3119 8702 3097 8700 3096 8716
TIME...MOT...LOC 0117Z 173DEG 23KT 3116 8711
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:03 PM CDT | Special Weather Statement | MOB | Okaloosa, Santa Rosa | 57 min |
| Jun 21, 7:37 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 53 min |
| Jun 21, 9:10 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 35 min |
| Jun 21, 9:21 PM CDT | Tornado Warning | MOB | Okaloosa | 22 min |
| Jun 22, 1:21 AM CDT | Special Weather Statement | MOB | Escambia, Santa Rosa | 54 min |
| Jun 22, 2:24 AM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 6 hr |
| Jun 22, 3:38 AM CDT | Special Weather Statement | MOB | Okaloosa | 37 min |
| Jun 22, 10:51 AM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 6 hr |
| Jun 22, 11:07 AM CDT | Special Weather Statement | MOB | Escambia | 38 min |
| Jun 22, 4:00 PM CDT | Special Weather Statement | MOB | Escambia | 45 min |
| Jun 21, 7:16 PM CDT | Tornado Warning | MOB | Covington, Crenshaw | 19 min |
| Jun 21, 8:51 PM CDT | Tornado Warning | MOB | Covington | 24 min |
| Jun 21, 9:14 PM CDT | River Flood Warning | MOB | Baldwin, Mobile | 4 days |
| Jun 21, 9:14 PM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 10 days |
| Jun 21, 9:14 PM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 14 days |
| Jun 21, 10:36 PM CDT | Flash Flood Warning | MOB | Butler, Covington, Crenshaw | 6 hr |
| Jun 22, 12:33 AM CDT | Special Marine Warning | MOB | 57 min | |
| Jun 22, 1:14 AM CDT | Tornado Warning | MOB | Covington | 46 min |
| Jun 22, 1:25 AM CDT | Special Marine Warning | MOB | 65 min | |
| Jun 22, 1:27 AM CDT | Special Marine Warning | MOB | 33 min | |
| Jun 22, 1:44 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 41 min |
| Jun 22, 3:28 AM CDT | Special Marine Warning | MOB | 32 min | |
| Jun 22, 4:33 AM CDT | Flash Flood Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 6 hr |
| Jun 22, 5:17 AM CDT | Special Weather Statement | MOB | Crenshaw | 28 min |
| Jun 22, 7:40 AM CDT | River Flood Warning | MOB | Baldwin | 21 days |
| Jun 22, 8:03 AM CDT | Flash Flood Warning | MOB | Choctaw, Washington | 6 hr |
| Jun 22, 9:39 AM CDT | Special Marine Warning | MOB | 96 min | |
| Jun 22, 10:14 AM CDT | Flash Flood Warning | MOB | Choctaw, Clarke, Washington, Wilcox | 6 hr |
| Jun 22, 10:19 AM CDT | Special Marine Warning | MOB | 116 min | |
| Jun 22, 10:48 AM CDT | Special Weather Statement | MOB | Mobile | 27 min |
| Jun 22, 11:05 AM CDT | Special Weather Statement | MOB | Mobile | 40 min |
| Jun 22, 11:16 AM CDT | Special Marine Warning | MOB | 89 min | |
| Jun 22, 12:12 PM CDT | Special Marine Warning | MOB | 93 min | |
| Jun 22, 1:44 PM CDT | Flash Flood Warning | MOB | Butler, Crenshaw | 6 hr |
| Jun 22, 2:15 PM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 15 hr |
| Jun 22, 3:56 PM CDT | Special Marine Warning | MOB | 64 min | |
| Jun 22, 5:57 PM CDT | Special Weather Statement | MOB | Choctaw, Washington | 48 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2017Severe Thunderstorm Warnings in Alabama, 2017Every severe thunderstorm warning in 2017
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.