Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 57, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 23, 2001, 5:03 PM EDT for Miami-Dade County, Florida. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2001, 5:03 PM EDT (21:03 UTC)
- Expired
- Jul 23, 2001, 6:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 9 km from the middle of the area, began a volume at 21:05 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.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 9.1 hours before the alert went out and 31 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
- 2135 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- 66 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.
NWS Miami, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 23, 2:30 PM EDT, 2 hours 33 minutes earlier.
Area forecast discussion, Jul 23, 2:30 PM EDT, 2 hours 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
230 PM EDT MON JUL 23 2001
SATELLITE AND RADAR ARE SHOWING VERTICALLY STACKED LOW OVER THE GULF
JUST TO THE NORTHWEST OF TAMPA BAY. HIGH AMOUNTS OF MOISTURE ARE
ROTATING AROUND THE LOW OVER SOUTH FLORIDA RESULTING IN COPIUS
AMOUNTS OF RAIN OVER MOST OF THE REGION. MODELS HAVE NOT HAD A
HANDLE ON THIS MOISTURE FIELD IN THE PAST AND IT APPEARS THAT THIS
IS AGAIN THE CASE. FWC AND MAV POPS APPEAR MUCH TOO LOW FOR TONIGHT
AND IN THE ZONES I WILL GO WITH 80 PERCENT ALL OF SOUTH FLORIDA.
MANY LOCATIONS HAVE ALREADY RECEIVED TWO TO FOUR INCHES OF RAIN.
RADAR AND SATELLITE ARE SHOWING TRAINING OVER SOUTH FLORIDA AND
THE FLOOD WATCH WILL BE EXTENDED FOR ALL OF SOUTH FLORIDA TONIGHT.
ALTHOUGH THE PROGS HAVE NOT BEEN VERY GOOD ON THE MOISTURE AND
PRECIPIATION OVER SOUTH FLORIDA...THEY HAVE BEEN REASONABLE ON THE
MOVEMENT OF THE GULF LOW. ALL PROGS SHOW THIS SYSTEM WEAKENING AS IT
MOVES NORTH. BY WEDNESDAY...THIS SYSTEM SHOULD BE OVER THE
CAROLINAS.
AS THE LOW MOVES NORTH...THE RIDGE OF HIGH PRESSURE TO OUR SOUTH
SHOULD MOVE OVER SOUTH FLORIDA LATE TUESDAY AND WEDNESDAY AND BE TO
OUR NORTH BY THURSDAY. AS THIS OCCURS...POPS WILL GRADUALLY DIMINISH
TUESDAY AS SOME DRIER AIR MOVES INTO THE REGION. HOWEVER...THE
AVIATION MODEL IS SHOWING ANOTHER SHOT OF MOISTURE MOVING IN THE
EASTERLY FLOW ACROSS SOUTH FLORIDA WEDNESDAY. THUS AN INCREASE IN
POPS FOR WEDNESDAY.
WILL GO WITH SMALL CRAFT ADVISORY ALL OF SOUTH FLORIDA AT LEAST
THROUGH MIDNIGHT WITH DECREASING WINDS BY SUNRISE.
IN THE EXTENDED WILL GO WITH SCATTERED SHOWERS AND THUNDERSTORMS AS
POPS SHOULD BE CLOSE TO WHAT CLIMATE WITH THE SURFACE RIDGE TO OUR
NORTH NEAR LAT 30N.
PBI TB 073/088 074/088 075 108546
FLL TB 075/088 076/088 076 108546
MIA TB 076/088 077/088 077 108546
APF TB 076/091 076/091 076 108646
.MIA...FLOOD WATCH GLADES...HENDRY...PALM BEACH...COLLIER...
BROWARD...MAINLAND MONROE AND MIAMI-DADE COUNTIES TONIGHT
SMALL CRAFT ADVISORY ATLANTIC...GULF AND BISCAYNE WATERS
TONIGHT.In the hours before
Local storm report, Jul 23, 11:49 AM EDT, 5 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
1149 AM EDT MON JUL 23 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1030 AM NAPLES FL FLOOD
07/23/01 COLLIER PROSPECT AND AIRPORT ROADS
FLOODED AND CLOSED
1100 AM GOLDEN GATE FL WIND DAMAGE
07/23/01 COLLIER TREE LIMBS DOWN IN GOLDEN
GATE ESTATES
1105 AM MARCO ISLAND FL FLOOD
07/23/01 COLLIER GOLDEN GATE
PARKWAY...GOODLETTE
ROAD...AND PARTS OF US 41
TAMIAMI TRAIL
FLOODED...PARTS OF
q POINSETTIA VILLAGE FLOODEDLocal storm report, Jul 23, 4:11 PM EDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
411 PM EDT MON JUL 23 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0400 PM 8 W BOCA RATON FL WIND DAMAGE
07/23/01 PALM BEACH SMALL TO MEDIUM SIZE TREES
BLOWN DOWN NEAR US 441 AND
YAMATO ROAD WEST OF BOCA
RATONREPORTED BY SPOTTERS
0301 PM 3 NW WESTON FL TORNADO
07/23/01 BROWARD FLORIDA HIGHWAY PATROL
REPORTED A TORNADO TORE
DOWN POWER LINES NEAR
ARVIDA PARKWAY AND
I-75REPORTED BY LAW
ENFORCEMENT
0350 PM ROYAL PALM BEACH FL FLOOD
07/23/01 PALM BEACH OKEECHOBEE BLVD WEST OF
STATE ROAD 7 SEVERAL
EAS~TBOUND LANES UNDER WATER
REPORTED BY SPOTTERSLocal storm report, Jul 23, 4:31 PM EDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
431 PM EDT MON JUL 23 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0214 PM DAVIE FL TORNADO
07/23/01 BROWARD I-75 BETWEEN SUNRISE AND
GRIFFIN ROAD POWER LINES
DOWN FROM POSSIBLE TORNADO.
REPORTED BY LAW ENFORCEMENTThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 9:30 AM EDT | Severe Thunderstorm Warning | MFL | Collier | 60 min |
| Jul 23, 10:36 AM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 39 min |
| Jul 23, 10:45 AM EDT | Severe Thunderstorm Warning | MFL | Collier | 45 min |
| Jul 23, 11:37 AM EDT | Severe Thunderstorm Warning | MFL | Collier | 53 min |
| Jul 23, 1:44 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 31 min |
| Jul 23, 2:37 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 38 min |
| Jul 23, 3:02 PM EDT | Tornado Warning | MFL | Broward | 28 min |
| Jul 23, 3:13 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 47 min |
| Jul 23, 3:13 PM EDT | Tornado Warning | MFL | Broward, Palm Beach | 62 min |
| Jul 23, 4:10 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 65 min |
| Jul 23, 5:40 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 65 min |
| Jul 23, 6:07 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 53 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
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; radar from the NEXRAD Level II archive.