Alert archive / Florida / Flash Flood Warnings in 1998
Flash Flood Warning 46, NWS Jacksonville, FL
NWS Jacksonville, FL issued this flash flood warning at Mar 19, 1998, 3:03 PM EST for Marion County, Florida. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 19, 1998, 3:03 PM EST (20:03 UTC)
- Expired
- Mar 19, 1998, 9:00 PM EST
- In force
- 6 hr
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
County Marion County, FL
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 8.1 hours before the alert went out and 148 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
- 262 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 579 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jacksonville, FL wrote its last area forecast discussion before this flash flood warning went out at Mar 19, 2:20 PM EST, 43 minutes earlier.
Area forecast discussion, Mar 19, 2:20 PM EST, 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 220 PM EST THU MAR 19 1998 WDSPRD PCPN HAS PROPAGATED FM THE FLG AND NOW COVERS ALL OF N FL PNSULA EXCEPT THE EXTRM NE CORNER. BAND HAS BEEN ADVANCING EWD WITH ONLY A FEW STORMS ADVECTING INTO EXTRM SRN GA SO FAR...MAINLY TO THE SOUTH OF HOMERVILLE TO FOLKSTON. OHP AMTS HAVE BEEN AVERAGING 1/2 IN/HR OVR MUCH OF AREA WITH LCL AMTS IN THE 1 INCH RANGE. IR SATL SHOWING SOME COOLING OF TOPS NOW MVG INLAND FM THE BIG BEND AREA. AN AREA OF U/L DIFFLUENCE ENHANCING LIFT EXTENDS FM THE BIG BEND REGION AND OVR THE NRN FL PNSULA...HWVR DEGREE OF DIFFLUENCE SEEMS TO DAMPEN OUT LTR TNGT. MDL TIME XSECTIONS SHOW VERY DEEP LYRED MSTR TO HOLD IN OVR NE FL THRU 18Z FRI BUT WITH A PERIOD OF DRIER AIR ALF BTN 06Z-12Z. SFC LO OVR AR TO MOVE NE INTO THE OHIO VALLEY FRI EVE. ASSOCD FNT TO SHIFT EWD OVR CWA LATE FRI WITH CCA AND DRIER AIR SPILLING IN FOLLOWING FROPA. . PRELIM SSI WB 063/075 054/066 03551 JAX WB 064/075 053/067 03751 GNV WB 065/076 052/066 03751 MOBBS
In the hours before
Local storm report, Mar 19, 11:48 AM EST, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
1148 AM EST THU MAR 19 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 AM ANTHONY FL .75 INCH HAIL
03/19/98 MARION DIME SIZE HAIL REPORTED IN
ANTHONY AND ALONG US-441.
ALSO, HAIL 6 INCHES DEEP
NEAR CR-326 AND CR-35
NORTH OF SILVER SPRINGS.Local storm report, Mar 19, 11:48 AM EST, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
1148 AM EST THU MAR 19 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 AM ANTHONY FL .75 INCH HAIL
03/19/98 MARION DIME SIZE HAIL REPORTED IN
ANTHONY AND ALONG US-441.
ALSO, HAIL 6 INCHES DEEP
NEAR CR-326 AND CR-35
NORTH OF SILVER SPRINGS.The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 10:21 PM EST | Flash Flood Warning | JAX | Marion | 4 hr |
| Mar 18, 10:57 PM EST | Severe Thunderstorm Warning | JAX | Putnam | 63 min |
| Mar 19, 9:10 AM EST | Severe Thunderstorm Warning | JAX | Marion | 60 min |
| Mar 19, 11:35 AM EST | Severe Thunderstorm Warning | JAX | Columbia | 65 min |
Nearby
Flash Flood Warnings in Florida, 1998Every flash flood warning in 1998
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.