Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 149, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 19, 2021, 12:54 PM CDT for Okaloosa County, Florida. It was in force for 36 min. 5 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
- Jun 19, 2021, 12:54 PM CDT (17:54 UTC)
- Expired
- Jun 19, 2021, 1:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 62 km from the middle of the area, began a volume at 17:54 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 |
|---|---|---|---|
| Jun 19, 12:55 PM CDT | TSTM WND DMG | 1 Ese Milligan, FL | TREE DOWN AT INTERSECTION ON ANTIOCH RD & PIONEER RD. TIME ESTIMATED BASED ON RADAR. |
| Jun 19, 12:56 PM CDT | TSTM WND DMG | 2 Ese Milligan, FL | LARGE TREE DOWN ON PIONEER RD REPORTED BY EMA. TIME ESTIMATED USING RADAR. |
| Jun 19, 12:57 PM CDT | TSTM WND DMG | 1 S Crestview, FL | 911 CALL CENTER REPORTS LOTS OF LARGE TREE LIMBS DOWN AT INTERSECTION OF BRESSLER ST & HILL AVE. CALL CAME IN ~ AT 1:17PM. TIME ESTIMATED USING RADAR. |
| Jun 19, 12:57 PM CDT | TSTM WND DMG | 1 Ssw Crestview, FL | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 SSW CRESTVIEW FOR DATE ON 6/19. 911 CALL CENTER REPORTS DOWNED POWER LINES, TRANSFORMERS, AND TREES ALONG MARTIN LUTHER KING JR AVE. CALL CAME IN AT 1:17PM. TIME ESTIMATED USING RADAR. |
| Jun 19, 12:57 PM CDT | TSTM WND DMG | 2 Ese Crestview, FL | POWER LINES REPORTS DOWN ON ALPIN RD. CONTACTED GULF POWER AND CREW WAS SENT OUT AT 1:06PM WENT REPORT CAME IN. TIME ESTIMATED BASED BASED ON RADAR. |
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 |
|---|---|---|---|
| Jun 19, 9:33 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.9 hours before the alert went out and 218 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
- 1367 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 747 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted.
699 WUUS54 KMOB 191754 SVRMOB FLC091-191830- /O.NEW.KMOB.SV.W.0149.210619T1754Z-210619T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Mobile AL 1254 PM CDT Sat Jun 19 2021 The National Weather Service in Mobile has issued a * Severe Thunderstorm Warning for... Northeastern Okaloosa County in northwestern Florida... * Until 130 PM CDT. * At 1254 PM CDT, a severe thunderstorm was located near Crestview, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Crestview. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 700 PM CDT for northwestern Florida. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3065 8662 3078 8670 3091 8639 3069 8639 TIME...MOT...LOC 1754Z 246DEG 49KT 3073 8652 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ Black
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 12:05 AM CDT | Special Weather Statement | MOB | Santa Rosa | 40 min |
| Jun 19, 6:24 AM CDT | Tornado Warning | MOB | Escambia | 22 min |
| Jun 19, 6:33 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Jun 19, 7:32 AM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 4 hr |
| Jun 19, 7:33 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 28 min |
| Jun 19, 8:15 AM CDT | Tornado Warning | MOB | Okaloosa | 30 min |
| Jun 19, 8:18 AM CDT | Tornado Warning | MOB | Escambia, Santa Rosa | 31 min |
| Jun 19, 10:30 AM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 5 hr |
| Jun 19, 10:32 AM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 43 min |
| Jun 19, 11:15 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 45 min |
| Jun 19, 12:37 PM CDT | Areal Flood Advisory | MOB | Okaloosa, Santa Rosa | 3 hr |
| Jun 19, 1:50 PM CDT | Flash Flood Warning | MOB | Okaloosa | 2 hr |
| Jun 19, 3:54 PM CDT | Wind Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 9 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.