Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 49, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Oct 3, 1992, 7:08 PM EDT for Clay County, Saint Johns County, Florida. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Oct 3, 1992, 7:08 PM EDT (23:08 UTC)
- Expired
- Oct 3, 1992, 8:15 PM EDT
- In force
- 67 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
Counties Clay County, FL, Saint Johns County, FL
The nearest sounding before it
Jacksonville, FL (KAYS), launched 12:00Z, 11.1 hours before the alert went out and 62 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
- 603 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
In the hours before
Special weather statement, Oct 3, 4:47 PM EDT, 2 hours 21 minutes before
FLZ008-007-009-032245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 446 PM EDT SAT OCT 3 1992 ...TORNADO WATCH NUMBER 860 IS IN EFFECT UNTIL 9PM EDT... ...LOCALLY HEAVY RAINS CONTINUE IN NORTHEAST FLORIDA... AT 445 PM EDT NATIONAL WEATHER SERVICE RADARS INDICATED A LARGE AREA OF RAIN WITH IMBEDDED THUNDERSTORMS OCCURRING FROM SOUTH CENTRAL GEORGIA TO MOST OF THE FLORIDA PENINSULA. THUNDERSTORMS WITH HEAVY RAIN WERE LOCATED JUST SOUTH OF INTERLACHEN NEAR THE PUTNAM COUNTY MARION COUNTY LINE. THESE STORMS HAVE A HISTORY OF PRODUCING A POSSIBLE TORNADO NEAR OCALA AT 3PM EDT. ANOTHER STORM WAS LOCATED NEAR OCALA. MOVEMENT WAS NORTHEAST AT 25 MPH. THE THUNDERSTORMS WILL BE ACCOMPANIED BY LOCALLY HEAVY RAINS...FREQUENT LIGHTNING...GUSTY WINDS...AND POSSIBLE HAIL AS THEY MOVE THROUGH PUTNAM COUNTY DURING THE NEXT HOUR. THEY WILL ALSO LIKELY RESULT IN FLOODING OF SMALL CREEKS...DRAINAGE DITCHES...UNDERPASSES FOR THE NEXT SEVERAL HOURS. SO FAR RAINFALL TOTALS HAVE BEEN VERY CONSISTANT RANGING FROM 1.5 INCHES NEAR MIDDLEBURG...2.29 INCHES AT JACKSONVILLE INTERNATIONAL AIRPORT...2.10 INCHES AT ST AUGUSTINE...TO 4.10 INCHES AT JACKSONVILLE BEACH...AND AROUND 4 INCHES IN GAINESVILLE. THIS HEAVY RAIN RESULTED LOCALIZED STREET FLOODING THROUGHOUT THE AREA. BLACK CREEK AT MIDDLEBURG HAS BEEN REPORTED TO HAVE RISEN AND WILL BE CONTINUED TO BE MONITORED SINCE MORE HEAVY RAIN IS POSSIBLE THIS EVENING. AS A REMINDER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND RESIDENTS IN NORTH AND NORTHEAST FLORIDA SHOULD KEEP ABREAST OF THE WEATHER AND BE PREPARED TO TAKE QUICK ACTION IF WARNINGS ARE ISSUED OR SEVERE WEATHER IS SIGNHTED. SHOWERS AND THUNDERSTORMS ARE LIKELY TO CONTINUE INTO THIS EVENING.
Special weather statement, Oct 3, 6:45 PM EDT, 23 minutes before
FLZ008-007-009-040045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 643 PM EDT SAT OCT 3 1992 ...TORNADO WATCH NUMBER 860 IN EFFECT FOR ALL OF NORTH AND NORTHEAST FLORIDA UNTIL 9PM EDT... ...MORE LOCALLY HEAVY RAINS MOVING INTO THE AREA... AT 643 PM EDT WEATHER RADARS SHOWED A LARGE AREA OF RAIN THAT COVERED OF SOUTH GEORGIA AND THE FLORIDA PENINSULA. HEAVY RAIN HAD MOVED INTO DOWNTOWN JACKSONVILLE. THUNDERSTORMS WITH HEAVY RAIN WERE OCCURRING JUST WEST OF PALATKA AND ALSO HAD MOVED IN FROM THE GULF NORTHEAST OF CEDAR KEY AND WERE JUST WEST OF NEWBERRY IN ALACHUA COUNTY. MOVEMENT WAS NORTHEAST AT 20 MPH. THESE STORMS WILL BE ACCOMPANIED BY HEAVY RAINS...FREQUENT LIGHTNING...GUSTY WINDS...AND POSSIBLE HAIL AS THEY MOVE THROUGH PUTNAM...SOUTHWESTERN ST JOHNS COUNTY AS WELL AS GILCHRIST...COLUMBIA...AND ALACHUA COUNTIES DURING THE NEXT HOUR. RAINFALL TOTALS OF 2 TO 4 INCHES TODAY IN COMBINATION WITH THE CONTINUOUS RAINS OF THIS AFTERNOON AND EVENING HAS RESULTED IN NUMEROUS REPORTS OF FLOODING. STREET FLOODING HAS BEEN REPORTED IN ST JOHNS COUNTY...THE BEACHES...IN GAINESVILLE... AND NUMEROUS REPORTS OF ROADS FLOODED IN CLAY COUNTY. THE RIVER GUAGE READING AT BLACK CREEK AT MIDDLEBURG WAS 7.5 FEET AND RISING. THE CREEK WILL CONTINUED TO BE MONITORED THROUGHOUT THE EVENING AS MORE HEAVY RAIN IS LIKELY. PERSONS THROUGHOUT NORTHEAST FLORIDA ARE URGED TO EXERCISE CAUTION AND TO AVOID FLOODED AREAS OR AREAS PRONE TO FLOODING. ALSO BE PREPARED TO TAKE QUICK ACTION IF WARNINGS ARE ISSUED OR SEVERE WEATHER IS SIGHTED.
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 5:45 PM EDT | Tornado Warning | JAX | Alachua, Putnam | 60 min |
| Oct 3, 6:53 PM EDT | Tornado Warning | JAX | Putnam | 52 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992
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.