Alert archive / Alabama / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 115, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 3, 2017, 8:09 AM CDT for Escambia County, Santa Rosa County, Florida; 5 counties in Alabama. It was in force for 51 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 3, 2017, 8:09 AM CDT (13:09 UTC)
- Expired
- Apr 3, 2017, 9:00 AM CDT
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Baldwin County, AL, Conecuh County, AL, Covington County, AL, Escambia County, AL, Mobile County, AL, Escambia County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 74 km from the middle of the area, began a volume at 13:13 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 3, 8:10 AM CDT | TSTM WND DMG | Brewton, AL | TREES DOWN ON COUNTY ROAD 18 NEAR BREWTON |
| Apr 3, 8:27 AM CDT | TSTM WND DMG | 1 Sse Johnsonville, AL | MULITPLE TREES DOWN ON COUNTY ROAD 6 NEAR JOHNSONVILLE IN CONECUH COUNTY. |
| Apr 3, 8:33 AM CDT | TSTM WND DMG | 5 Ne Evergreen, AL | ROOF OF A COVERED PORCH COLLAPSED ON SPENCE MCGRAW ROAD. NUMEROUS TREES EITHER BLOWN OVER OR SNAPPED IN THIS AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 3, 7:06 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 3, 1:48 AM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.2 hours before the alert went out and 222 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
- 555 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -464 m²/s²
- 0-3 km storm-relative helicity
- -530 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
395
WUUS54 KMOB 031309
SVRMOB
ALC003-035-039-053-097-FLC033-113-031400-
/O.NEW.KMOB.SV.W.0115.170403T1309Z-170403T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
809 AM CDT MON APR 3 2017
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Mobile County in southwestern Alabama...
Baldwin County in southwestern Alabama...
Escambia County in south central Alabama...
Conecuh County in south central Alabama...
Southwestern Covington County in south central Alabama...
Northern Santa Rosa County in northwestern Florida...
Northwestern Escambia County in northwestern Florida...
* Until 900 AM CDT
* At 808 AM CDT, severe thunderstorms were located along a line
extending from near Castleberry to near Big Point, moving east at
30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Midtown Mobile, Downtown Mobile, Prichard, Daphne, Tillmans Corner,
Fairhope, Saraland, Bay Minette, Atmore, Theodore, Chickasaw,
Satsuma, Brewton, Spanish Fort, Grand Bay, Robertsdale, Evergreen,
Bayou La Batre, Creola and Point Clear.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama...and
northwestern Florida.
LAT...LON 3022 8831 3028 8839 3083 8842 3124 8761
3126 8743 3141 8729 3160 8691 3112 8635
3099 8662 3100 8679 3092 8679 3022 8824
TIME...MOT...LOC 1308Z 287DEG 28KT 3126 8708 3054 8852
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:45 AM CDT | Special Weather Statement | MOB | Escambia, Okaloosa, Santa Rosa | 45 min |
| Apr 3, 7:53 AM CDT | Flash Flood Watch | MOB | Escambia, Okaloosa, Santa Rosa | 4 hr |
| Apr 3, 8:26 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 64 min |
| Apr 3, 9:00 AM CDT | Severe Thunderstorm Warning | MOB | Escambia | 60 min |
| Apr 3, 9:33 AM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Apr 3, 9:36 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 39 min |
| Apr 3, 9:43 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 62 min |
| Apr 3, 9:59 AM CDT | Tornado Warning | MOB | Okaloosa | 31 min |
| Apr 3, 10:14 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 46 min |
| Apr 3, 10:46 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 45 min |
| Apr 3, 11:00 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 31 min |
| Apr 3, 3:29 AM CDT | Special Weather Statement | MOB | Choctaw | 46 min |
| Apr 3, 3:41 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 49 min |
| Apr 3, 5:10 AM CDT | Severe Thunderstorm Warning | MOB | Washington | 50 min |
| Apr 3, 5:45 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 45 min |
| Apr 3, 5:57 AM CDT | Severe Thunderstorm Warning | MOB | Clarke, Mobile, Washington | 48 min |
| Apr 3, 6:28 AM CDT | Severe Thunderstorm Warning | MOB | Clarke, Washington | 47 min |
| Apr 3, 6:43 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Escambia, Mobile, Monroe, Washington | 47 min |
| Apr 3, 6:53 AM CDT | Special Marine Warning | MOB | 97 min | |
| Apr 3, 7:26 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Butler, Clarke, Conecuh, Escambia, Mobile and 2 more | 49 min |
| Apr 3, 7:27 AM CDT | Areal Flood Advisory | MOB | Baldwin, Mobile | 3 hr |
| Apr 3, 7:55 AM CDT | Flash Flood Warning | MOB | Mobile | 4 hr |
| Apr 3, 8:26 AM CDT | Special Marine Warning | MOB | 94 min | |
| Apr 3, 8:49 AM CDT | Special Marine Warning | MOB | 56 min | |
| Apr 3, 8:54 AM CDT | Flash Flood Warning | MOB | Baldwin | 4 hr |
| Apr 3, 8:54 AM CDT | Tornado Warning | MOB | Crenshaw | 13 min |
| Apr 3, 8:59 AM CDT | Special Marine Warning | MOB | 61 min | |
| Apr 3, 9:33 AM CDT | Special Marine Warning | MOB | 87 min | |
| Apr 3, 9:43 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 8 days |
| Apr 3, 9:43 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 9 days |
| Apr 3, 10:02 AM CDT | Special Marine Warning | MOB | 58 min | |
| Apr 3, 10:55 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Apr 3, 12:54 PM CDT | Special Marine Warning | MOB | 66 min | |
| Apr 3, 1:55 PM CDT | Special Marine Warning | MOB | 2 hr | |
| Apr 3, 3:51 PM CDT | Special Marine Warning | MOB | 114 min | |
| Apr 3, 5:38 PM CDT | Special Marine Warning | MOB | 67 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.