Alert archive / Florida / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 5, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 6, 2018, 10:42 AM CST for Okaloosa County, Florida. It was in force for 20 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
- Mar 6, 2018, 10:42 AM CST (16:42 UTC)
- Expired
- Mar 6, 2018, 11:02 AM CST
- In force
- 20 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 45 km from the middle of the area, began a volume at 16:45 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.7 hours before the alert went out and 196 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
- 1074 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
623
WUUS54 KMOB 061642
SVRMOB
FLC091-061730-
/O.NEW.KMOB.SV.W.0005.180306T1642Z-180306T1730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
1042 AM CST TUE MAR 6 2018
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Southeastern Okaloosa County in northwestern Florida...
* Until 1130 AM CST
* At 1041 AM CST, a severe thunderstorm was located over Destin,
moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Destin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3039 8629 3040 8629 3040 8630 3041 8630
3041 8631 3042 8630 3042 8631 3038 8633
3040 8639 3032 8640 3032 8655 3041 8659
3048 8628 3040 8628
TIME...MOT...LOC 1641Z 261DEG 42KT 3036 8650
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
698
WWUS54 KMOB 061702
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1102 AM CST TUE MAR 6 2018
FLC091-061710-
/O.CAN.KMOB.SV.W.0005.000000T0000Z-180306T1730Z/
Okaloosa FL-
1102 AM CST TUE MAR 6 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OKALOOSA COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has weakened and
is moving out of the warned area. Therefore, the warning has been
cancelled.
LAT...LON 3039 8629 3040 8629 3040 8630 3041 8630
3041 8631 3042 8630 3042 8631 3038 8633
3040 8639 3032 8640 3032 8655 3041 8659
3048 8628 3040 8628
TIME...MOT...LOC 1659Z 261DEG 42KT 3040 8624
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 8:38 AM CST | Special Weather Statement | MOB | Okaloosa, Santa Rosa | 52 min |
| Mar 6, 9:17 AM CST | Special Weather Statement | MOB | Okaloosa | 58 min |
| Mar 6, 10:08 AM CST | Special Weather Statement | MOB | Okaloosa | 52 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2018Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.