Alert archive / Florida / Tornado Warnings in 1997
Tornado Warning 8, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Apr 23, 1997, 1:20 PM EDT for Indian River County, Florida. It was in force for 50 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
- Apr 23, 1997, 1:20 PM EDT (17:20 UTC)
- Expired
- Apr 23, 1997, 2:10 PM EDT
- In force
- 50 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Indian River County, FL
The radar
The Melbourne radar (KMLB), 47 km from the middle of the area, began a volume at 17:19 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 23, 8:00 AM EDT | Tornado Watch | SPC | 6 hr |
| Apr 23, 11:45 AM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 5.3 hours before the alert went out and 180 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
- 2247 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 9.4
The text
As transmitted, in the capitals the NWS used until 2016.
519 WFUS01 KMLB 231720 RRA TORMLB FLC061-231810- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 120 PM EDT WED APR 23 1997 THE NATIONAL WEATHER SERVICE IN MELBOURNE FL HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 210 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL FLORIDA ...INDIAN RIVER COUNTY AT 115 PM...DOPPLER WEATHER RADAR INDICATED A TORNADIC THUNDERSTORM DEVELOPING JUST EAST OF FELLSMERE. THE TORNADIC STORM WILL MOVE NORTHEAST AT 35 MPH TOWARD ROSELAND AND SEBASTIAN AROUND 125 PM. SEEK SHELTER NOW SPRATT
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 8:40 AM EDT | Tornado Warning | MLB | Volusia | 45 min |
| Apr 23, 9:22 AM EDT | Tornado Warning | MLB | Volusia | 33 min |
| Apr 23, 9:43 AM EDT | Severe Thunderstorm Warning | MLB | Volusia | 62 min |
| Apr 23, 9:56 AM EDT | Severe Thunderstorm Warning | MLB | Lake | 94 min |
| Apr 23, 10:10 AM EDT | Tornado Warning | MLB | Volusia | 45 min |
| Apr 23, 10:17 AM EDT | Tornado Warning | MLB | Lake, Orange | 63 min |
| Apr 23, 10:29 AM EDT | Tornado Warning | MLB | Volusia | 66 min |
| Apr 23, 10:38 AM EDT | Tornado Warning | MLB | Seminole | 57 min |
| Apr 23, 11:10 AM EDT | Severe Thunderstorm Warning | MLB | Brevard | 60 min |
| Apr 23, 11:22 AM EDT | Severe Thunderstorm Warning | MLB | Orange, Seminole | 28 min |
| Apr 23, 11:44 AM EDT | Tornado Warning | MLB | Orange | 61 min |
| Apr 23, 11:52 AM EDT | Severe Thunderstorm Warning | MLB | Osceola | 63 min |
| Apr 23, 12:27 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 58 min |
| Apr 23, 12:51 PM EDT | Severe Thunderstorm Warning | MLB | Indian River, Osceola | 64 min |
Nearby
Tornado Warnings in Florida, 1997Every tornado warning in 1997Tornadoes in 1997
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.