Alert archive / Florida / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jan 2, 1999, 9:55 PM EST for Citrus County, Florida. It was in force for 65 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 2, 1999, 9:55 PM EST (02:55 UTC)
- Expired
- Jan 2, 1999, 11:00 PM EST
- In force
- 65 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Citrus County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 2, 10:15 PM EST | Thunderstorm Wind 57 | Crystal River, FL | Thunderstorm wind gusts of up to 65 mph caused minor roof, shed and carport damage four miles south of Crystal River. A few large trees and several branches were downed by the thunderstorm winds along the U.S. Highway 19 corridor south of Crystal River. |
| Jan 2, 10:37 PM EST | Thunderstorm Wind | Inverness, FL | Thunderstorm winds downed several trees and power lines in the city of Inverness. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 2, 9:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 2.9 hours before the alert went out and 128 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
- 519 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1080 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 2, 8:18 PM EST, 1 hour 37 minutes earlier.
Area forecast discussion, Jan 2, 8:18 PM EST, 1 hour 37 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL 818 PM EST SAT JAN 02 1999 PREFRONTAL LINE OF THUNDERSTORMS CONTS TO TREK EWD AT 30 MPH TOWARD PNSULA THIS EVE. SPC IS LIKELY TO ISSUE A TORNADO WATCH FOR MUCH OF THE N HALF OF FA INTO TNGT. WOULD OPT FOR SVR TSTM AS LIMITED DIRECTIONAL SHEAR SFC-5K WNDS IN 00Z RAOB...BUT WINDS BTWN 1K-5K AVG 30-35 KTS. CONCERN FROM HERE IS PREMISE FOR DAMAGING BOW ECHO WIND GUSTS AS LINE PROCEEDS INTO LEVY CO 9P-11P...TAMPA BAY 11P-1AM...AND FMY 3A-5AM. WILL AWAIT SPC TO DEFINE WATCH AREA BUT PRELIMINARY THOUGHT IS WATCH WILL BECOME EFFECTIVE 9PM OR SO FOR THE AREA FROM MANATEE-HARDEE COS NWD. WILL ALSO UP POPS TO NR 100 PCT TNGT AS LOOKING LIKE EVERYBODY WILL GET WET OVERNGT AS JUICY DEW PTS IN THE MID 60S PREVAIL THRUOUT PNSULA. AS FAR A COASTAL FLOOD WATCH...WILL HOLD ONTO SUCH UNTIL PASSAGE OF TSTMS TO ASCERTAIN POST TSTM BNDRY WINDS...BUT SUSPECT SOME A WKR SWLY COMPONENT OF 10-15 KNTS. TIDES ARE CURRENTLY RUNNING ONLY ABOUTF ONE FOOT ABOVE PREDICTED. DMR
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 9:55 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Pasco | 65 min |
| Jan 2, 10:17 PM EST | Severe Thunderstorm Warning | TBW | Pinellas | 58 min |
| Jan 2, 10:39 PM EST | Severe Thunderstorm Warning | TBW | Hillsborough, Manatee | 61 min |
| Jan 2, 10:45 PM EST | Severe Thunderstorm Warning | TBW | Sumter | 60 min |
| Jan 2, 11:02 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Pasco | 43 min |
| Jan 2, 11:06 PM EST | Severe Thunderstorm Warning | TBW | Sarasota | 64 min |
| Jan 2, 11:37 PM EST | Severe Thunderstorm Warning | TBW | Polk | 63 min |
| Jan 2, 11:58 PM EST | Severe Thunderstorm Warning | TBW | Charlotte | 42 min |
| Jan 2, 11:58 PM EST | Severe Thunderstorm Warning | TBW | DeSoto, Hardee | 42 min |
| Jan 3, 12:34 AM EST | Severe Thunderstorm Warning | TBW | Highlands, Polk | 61 min |
| Jan 3, 12:37 AM EST | Tornado Warning | TBW | DeSoto | 48 min |
| Jan 3, 1:14 AM EST | Tornado Warning | TBW | Highlands | 46 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.