Alert archive / Florida / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 21, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Mar 29, 2009, 3:14 AM EDT for Marion County, Florida. It was in force for 23 min. 1 report 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
- Mar 29, 2009, 3:14 AM EDT (07:14 UTC)
- Expired
- Mar 29, 2009, 3:37 AM EDT
- In force
- 23 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
County Marion County, FL
The radar
The Jacksonville radar (KJAX), 138 km from the middle of the area, began a volume at 07:15 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 |
|---|---|---|---|
| Mar 29, 3:20 AM EDT | TSTM WND DMG | 5 Nnw Ocala, FL | SEVERAL TREES WERE REPORTED DOWN WITH ONE TREE BLOCKING A HIGHWAY. TIME IS ESTIMATED BASED ON REPORTS AND RADAR. SMALL HAIL ALSO REPORTED BY A SHERIFF DEPUTY ON NW 27 HIGHWAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 7.2 hours before the alert went out and 140 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
- 264 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1552 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KJAX 290714
SVRJAX
FLC083-290800-
/O.NEW.KJAX.SV.W.0021.090329T0714Z-090329T0800Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
314 AM EDT SUN MAR 29 2009
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MARION COUNTY IN NORTHERN FLORIDA
* UNTIL 400 AM EDT
* AT 314 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 11
MILES WEST OF OCALA AIRPORT...OR NEAR RAINBOW LAKES ESTATES...AND
MOVING NORTHEAST AT 45 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OCALA
AIRPORT...OCALA...ANTHONY...SPARR...CITRA...FORT MCCOY AND ORANGE
SPRINGS.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
LAT...LON 2921 8248 2923 8246 2922 8241 2926 8240
2944 8211 2944 8207 2948 8205 2950 8200
2952 8194 2936 8174 2902 8234
TIME...MOT...LOC 0714Z 237DEG 39KT 2918 8230
$$
ZAPPE1 follow-up statement
000
WWUS52 KJAX 290737
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
337 AM EDT SUN MAR 29 2009
FLC083-290746-
/O.CAN.KJAX.SV.W.0021.000000T0000Z-090329T0800Z/
MARION FL-
336 AM EDT SUN MAR 29 2009
...THE SEVERE THUNDERSTORM WARNING FOR MARION COUNTY IS CANCELED...
ALTHOUGH THE WARNING IS NO LONGER IN EFFECT...HAIL UP TO ONE HALF
INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH CAN BE EXPECTED AS THESE THUNDERSTORMS MOVE
QUICKLY NORTHEAST...ALONG WITH POSSIBLE MINOR DAMAGE.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
LAT...LON 2921 8248 2923 8246 2922 8241 2926 8240
2944 8211 2944 8207 2948 8205 2950 8200
2952 8194 2936 8174 2902 8234
TIME...MOT...LOC 0736Z 237DEG 39KT 2931 8207
$$
ZAPPEThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 8:12 PM EDT | Special Weather Statement | JAX | Gilchrist | 33 min |
| Mar 28, 8:45 PM EDT | Special Weather Statement | JAX | Alachua, Gilchrist | 45 min |
| Mar 28, 8:49 PM EDT | Areal Flood Advisory | JAX | Alachua, Gilchrist | 116 min |
| Mar 28, 9:26 PM EDT | Special Weather Statement | JAX | Bradford, Clay | 49 min |
| Mar 28, 9:30 PM EDT | Areal Flood Advisory | JAX | Alachua, Bradford, Clay, Marion, Putnam, Union | 2 hr |
| Mar 28, 9:59 PM EDT | Special Weather Statement | JAX | Saint Johns | 61 min |
| Mar 28, 10:06 PM EDT | Areal Flood Advisory | JAX | Clay, Duval, Putnam, Saint Johns | 114 min |
| Mar 28, 10:18 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Putnam, Saint Johns | 42 min |
| Mar 28, 10:20 PM EDT | Special Weather Statement | JAX | Hamilton | 40 min |
| Mar 28, 10:24 PM EDT | Special Marine Warning | JAX | 96 min | |
| Mar 28, 10:38 PM EDT | Special Weather Statement | JAX | Saint Johns | 52 min |
| Mar 28, 10:47 PM EDT | Areal Flood Advisory | JAX | Duval, Saint Johns | 118 min |
| Mar 28, 11:51 PM EDT | Special Weather Statement | JAX | Nassau | 54 min |
| Mar 28, 11:52 PM EDT | Special Weather Statement | JAX | Nassau | 53 min |
| Mar 29, 12:04 AM EDT | Special Marine Warning | JAX | 56 min | |
| Mar 29, 12:48 AM EDT | Special Weather Statement | JAX | Alachua, Gilchrist | 42 min |
| Mar 29, 1:13 AM EDT | Special Marine Warning | JAX | 62 min | |
| Mar 29, 1:35 AM EDT | Areal Flood Advisory | JAX | Alachua, Gilchrist | 115 min |
| Mar 29, 1:42 AM EDT | Special Weather Statement | JAX | Bradford, Clay | 48 min |
| Mar 29, 2:11 AM EDT | Special Weather Statement | JAX | Alachua | 49 min |
| Mar 29, 2:18 AM EDT | Special Marine Warning | JAX | 87 min | |
| Mar 29, 2:36 AM EDT | Special Weather Statement | JAX | Duval | 39 min |
| Mar 29, 2:42 AM EDT | Tornado Warning | JAX | Clay, Duval, Saint Johns | 33 min |
| Mar 29, 3:03 AM EDT | Special Weather Statement | JAX | Marion, Putnam | 57 min |
| Mar 29, 3:07 AM EDT | Special Marine Warning | JAX | 113 min | |
| Mar 29, 3:22 AM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay, Flagler, Marion, Putnam and 1 more | 44 min |
| Mar 29, 3:29 AM EDT | Special Marine Warning | JAX | 2 hr | |
| Mar 29, 3:46 AM EDT | Areal Flood Advisory | JAX | Clay, Duval, Flagler, Putnam, Saint Johns | 119 min |
| Mar 29, 3:53 AM EDT | Special Weather Statement | JAX | Marion | 52 min |
| Mar 29, 4:04 AM EDT | Fire Weather Watch | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 10 hr |
| Mar 29, 4:04 AM EDT | Red Flag Warning | JAX | Baker, Bradford, Nassau, Suwannee, Union | 14 hr |
| Mar 29, 4:17 AM EDT | Severe Thunderstorm Warning | JAX | Flagler, Marion, Putnam | 22 min |
| Mar 29, 4:20 AM EDT | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 15 hr |
| Mar 29, 4:41 AM EDT | Special Weather Statement | JAX | Flagler | 34 min |
| Mar 29, 4:54 AM EDT | Special Marine Warning | JAX | 66 min | |
| Mar 29, 5:28 AM EDT | Special Marine Warning | JAX | 62 min | |
| Mar 29, 6:09 AM EDT | Special Marine Warning | JAX | 27 min | |
| Mar 29, 6:27 AM EDT | Special Marine Warning | JAX | 38 min | |
| Mar 29, 7:56 AM EDT | Special Weather Statement | JAX | Flagler | 34 min |
| Mar 29, 1:51 PM EDT | Red Flag Warning | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 29 hr |
Nearby
Severe Thunderstorm Warnings in Florida, 2009Every severe thunderstorm warning in 2009
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.