Alert archive / Alabama / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 195, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 30, 2017, 7:53 PM CDT for Escambia County, Alabama; Santa Rosa County, Florida. It was in force for 52 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 30, 2017, 7:53 PM CDT (00:53 UTC)
- Expired
- Jun 30, 2017, 8:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Escambia County, AL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 110 km from the middle of the area, began a volume at 00:53 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
Birmingham, AL (KBMX), launched 00:00Z, 0.9 hours before the alert went out and 235 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
- 496 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 821 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
179
WUUS54 KMOB 010053
SVRMOB
ALC053-FLC113-010145-
/O.NEW.KMOB.SV.W.0195.170701T0053Z-170701T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
753 PM CDT FRI JUN 30 2017
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Eastern Escambia County in south central Alabama...
Northeastern Santa Rosa County in northwestern Florida...
* Until 845 PM CDT
* At 753 PM CDT, a severe thunderstorm was located 7 miles northwest
of Brewton, moving southeast at 35 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Brewton, East Brewton 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.
&&
LAT...LON 3100 8677 3100 8679 3096 8679 3086 8684
3113 8729 3126 8721 3126 8711 3112 8670
TIME...MOT...LOC 0053Z 297DEG 30KT 3118 8717
HAIL...<.75IN
WIND...70MPH
$$2 follow-up statements
578
WWUS54 KMOB 010133
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
833 PM CDT FRI JUN 30 2017
ALC053-FLC113-010145-
/O.CON.KMOB.SV.W.0195.000000T0000Z-170701T0145Z/
Escambia AL-Santa Rosa FL-
833 PM CDT FRI JUN 30 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR EASTERN ESCAMBIA AND NORTHEASTERN SANTA ROSA COUNTIES...
At 833 PM CDT, a severe thunderstorm was located 12 miles east of
Riverview, or 13 miles east of Brewton, moving southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Brewton, East Brewton and Riverview.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3100 8677 3100 8679 3096 8679 3086 8684
3104 8714 3122 8701 3112 8670
TIME...MOT...LOC 0133Z 296DEG 25KT 3104 8685
HAIL...<.75IN
WIND...60MPH
$$984
WWUS54 KMOB 010144
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
844 PM CDT FRI JUN 30 2017
ALC053-FLC113-010154-
/O.EXP.KMOB.SV.W.0195.000000T0000Z-170701T0145Z/
Escambia AL-Santa Rosa FL-
844 PM CDT FRI JUN 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ESCAMBIA AND
NORTHEASTERN SANTA ROSA COUNTIES WILL EXPIRE AT 845 PM CDT...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mobile.
LAT...LON 3100 8677 3100 8679 3096 8679 3086 8684
3104 8714 3122 8701 3112 8670
TIME...MOT...LOC 0144Z 297DEG 30KT 3101 8679
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:17 PM CDT | Special Weather Statement | MOB | Covington | 28 min |
| Jun 30, 7:23 PM CDT | Special Weather Statement | MOB | Conecuh, Escambia | 67 min |
| Jun 30, 8:31 PM CDT | Areal Flood Advisory | MOB | Covington, Escambia | 119 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2017Severe Thunderstorm Warnings in Florida, 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.