Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 2, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Apr 23, 1997, 9:43 AM EDT for Volusia County, Florida. It was in force for 62 min. 12 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
- Apr 23, 1997, 9:43 AM EDT (13:43 UTC)
- Expired
- Apr 23, 1997, 10:45 AM EDT
- In force
- 62 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 13:42 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 23, 10:15 AM EDT | Tornado F0 | Pierson, FL | A small tornado touched down briefly in the vicinity of Pierson. Numerous trees were blown down with at least one falling on a house. The roof of a saw mill was destroyed. |
| Apr 23, 10:15 AM EDT | Tornado F0 | Pierson, FL | A small tornado touched down briefly in the vicinity of Pierson. Numerous trees were blown down with at least one falling on a house. The roof of a saw mill was destroyed. |
| Apr 23, 10:30 AM EDT | Thunderstorm Wind | Deltona, FL | Thunderstorm winds blew down trees near Interstate Highway 4 in Deltona. |
| Apr 23, 10:30 AM EDT | Thunderstorm Wind | Deltona, FL | Thunderstorm winds blew down trees near Interstate Highway 4 in Deltona. |
| Apr 23, 10:38 AM EDT | Thunderstorm Wind | De Land, FL | Thunderstorm wind blew down numerous large tree branches in De Land. |
| Apr 23, 10:38 AM EDT | Thunderstorm Wind | De Land, FL | Thunderstorm wind blew down numerous large tree branches in De Land. |
| Apr 23, 10:40 AM EDT | Thunderstorm Wind | Daytona Beach, FL | Thunderstorm winds blew down trees and power lines near Interstate Highway 4 in Daytona Beach. |
| Apr 23, 10:40 AM EDT | Thunderstorm Wind | Daytona Beach, FL | Thunderstorm winds blew down trees and power lines near Interstate Highway 4 in Daytona Beach. |
| Apr 23, 10:44 AM EDT | Tornado F0 | Port Orange, FL | A small tornado touched down in the fly-in community of Spruce Creek overturning one single engine aircraft, destroying a pool enclosure and blowing down about a dozen trees. |
| Apr 23, 10:44 AM EDT | Tornado F0 | Port Orange, FL | A small tornado touched down in the fly-in community of Spruce Creek overturning one single engine aircraft, destroying a pool enclosure and blowing down about a dozen trees. |
| Apr 23, 10:50 AM EDT | Tornado F0 | New Smyrna Beach, FL | A small tornado moving rapidly to the east touched down briefly in the northern part of New Smyrna Beach just west of US Highway 1, blowing down dozens of trees and damaging 20 homes. The tornado continued east crossing the Intracoastal Waterway and then passe |
| Apr 23, 10:50 AM EDT | Tornado F0 | New Smyrna Beach, FL | A small tornado moving rapidly to the east touched down briefly in the northern part of New Smyrna Beach just west of US Highway 1, blowing down dozens of trees and damaging 20 homes. The tornado continued east crossing the Intracoastal Waterway and then passe |
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 |
|---|---|---|---|
| Apr 23, 8:00 AM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 1.7 hours before the alert went out and 168 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
- 712 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -215 m²/s²
- 0-3 km storm-relative helicity
- -74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
143 WUUS01 KMLB 231344 RRA SVRMLB FLC127-231445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 943 AM EDT WED APR 23 1997 THE NATIONAL WEATHER SERVICE IN MELBOURNE FL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL FLORIDA ...VOLUSIA COUNTY AT 940 AM...DOPPLER WEATHER RADAR INDICATED SEVERAL SEVERE THUNDERSTORMS DEVELOPING ACROSS NORTHERN VOLUSIA COUNTY NEAR BARBERVILLE AND PIERSON. THESE THUNDERSTORMS WILL MOVE NORTHEAST AT 35 MPH INTO FLAGLER COUNTY. ADDITIONAL THUNDERSTORMS WILL AFFECT CENTRAL AND SOUTHERN VOLUSIA COUNTY. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. A TORNADO WATCH IS ALSO IN AFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WILL LITTLE OR NO WARNING. MOVE TO A SAFE LOCATION UNTIL THESE STORMS PASS. 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, 9:56 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 |
| Apr 23, 1:20 PM EDT | Tornado Warning | MLB | Indian River | 50 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1997Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.