Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 144, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 15, 2021, 2:45 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 45 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 15, 2021, 2:45 PM CDT (19:45 UTC)
- Expired
- Jun 15, 2021, 3:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 88 km from the middle of the area, began a volume at 19:47 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, 7.8 hours before the alert went out and 244 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
- 2073 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
263 WUUS54 KMOB 151945 SVRMOB FLC091-113-152030- /O.NEW.KMOB.SV.W.0144.210615T1945Z-210615T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Mobile AL 245 PM CDT Tue Jun 15 2021 The National Weather Service in Mobile has issued a * Severe Thunderstorm Warning for... Southwestern Okaloosa County in northwestern Florida... Southeastern Santa Rosa County in northwestern Florida... * Until 330 PM CDT. * At 245 PM CDT, a severe thunderstorm was located 10 miles southeast of Roeville, or 10 miles east of Bagdad, moving southeast at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Mary Esther and Navarre Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3061 8698 3068 8675 3041 8663 3038 8687 TIME...MOT...LOC 1945Z 332DEG 11KT 3058 8685 HAIL...0.75IN WIND...60MPH $$
1 follow-up statement
398 WWUS54 KMOB 152019 SVSMOB Severe Weather Statement National Weather Service Mobile AL 319 PM CDT Tue Jun 15 2021 FLC091-113-152030- /O.CON.KMOB.SV.W.0144.000000T0000Z-210615T2030Z/ Okaloosa FL-Santa Rosa FL- 319 PM CDT Tue Jun 15 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHWESTERN OKALOOSA AND SOUTHEASTERN SANTA ROSA COUNTIES... At 318 PM CDT, a severe thunderstorm was located near Mary Esther, moving southeast at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Mary Esther and Navarre Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3038 8687 3051 8693 3059 8671 3041 8663 TIME...MOT...LOC 2018Z 323DEG 25KT 3043 8672 HAIL...0.75IN WIND...60MPH $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 1:32 PM CDT | Special Weather Statement | MOB | Escambia | 28 min |
| Jun 15, 2:17 PM CDT | Special Weather Statement | MOB | Escambia | 28 min |
| Jun 15, 2:20 PM CDT | Special Weather Statement | MOB | Okaloosa | 25 min |
| Jun 15, 2:42 PM CDT | Special Weather Statement | MOB | Escambia | 33 min |
| Jun 15, 3:30 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 24 min |
| Jun 15, 3:33 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 57 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021
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.