Alert archive / Florida / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 7, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jan 22, 2017, 8:29 PM EST for 4 counties in Florida. It was in force for 61 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jan 22, 2017, 8:29 PM EST (01:29 UTC)
- Expired
- Jan 22, 2017, 9:30 PM EST
- In force
- 61 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Brevard County, FL, Orange County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 71 km from the middle of the area, began a volume at 01:30 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 |
|---|---|---|---|
| Jan 22, 9:00 PM EST | TSTM WND GST 54 | 3 W Merritt Island Wild, FL | USAF WIND TOWER 714 MEASURED A WIND GUST OF 54 MPH/48 KT FROM THE SW. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 22, 4:35 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 00:00Z, 1.5 hours before the alert went out and 42 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
- 838 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1078 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.3
The text
As transmitted.
885
WUUS52 KMLB 230129
SVRMLB
FLC009-095-117-127-230230-
/O.NEW.KMLB.SV.W.0007.170123T0129Z-170123T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Melbourne FL
829 PM EST SUN JAN 22 2017
The National Weather Service in Melbourne has issued a
* Severe Thunderstorm Warning for...
Southeastern Orange County in east central Florida...
Eastern Seminole County in east central Florida...
Northern Brevard County in Florida...
Southeastern Volusia County in east central Florida...
* Until 930 PM EST
* At 828 PM EST, severe thunderstorms were located near Port
Orange, Wedgefield, and Mims, moving northeast at 55 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Daytona Beach, Port Orange, Titusville, Oviedo and New Smyrna
Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM EST for east central
Florida.
LAT...LON 2909 8090 2860 8054 2844 8051 2839 8056
2835 8057 2835 8120 2913 8110 2922 8096
TIME...MOT...LOC 0128Z 239DEG 49KT 2911 8096
HAIL...0.88IN
WIND...60MPH
$$
dws1 follow-up statement
686
WWUS52 KMLB 230155
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
855 PM EST SUN JAN 22 2017
FLC117-127-230202-
/O.CAN.KMLB.SV.W.0007.000000T0000Z-170123T0230Z/
Seminole FL-Volusia FL-
855 PM EST SUN JAN 22 2017
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SEMINOLE AND
SOUTHEASTERN VOLUSIA COUNTIES IS CANCELLED...
The severe thunderstorms which prompted the warning across Volusia
and Seminole Counties has weakened and moved offshore.
Therefore, the warning has been cancelled there.
A tornado watch remains in effect until 1000 PM EST for east central
Florida.
LAT...LON 2839 8056 2835 8057 2835 8120 2845 8116
2858 8097 2880 8072 2862 8056 2860 8054
2857 8053 2844 8051
TIME...MOT...LOC 0152Z 239DEG 49KT 2928 8063
$$
FLC009-095-230230-
/O.CON.KMLB.SV.W.0007.000000T0000Z-170123T0230Z/
Orange FL-Brevard FL-
855 PM EST SUN JAN 22 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EST
FOR SOUTHEASTERN ORANGE AND NORTHERN BREVARD COUNTIES...
At 852 PM EST, strong to severe thunderstorms were located over
north Brevard County near Titusville, moving northeast at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Titusville, Cocoa, Cocoa Beach, Cape Canaveral and Wedgefield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM EST for east central
Florida.
LAT...LON 2839 8056 2835 8057 2835 8120 2845 8116
2858 8097 2880 8072 2862 8056 2860 8054
2857 8053 2844 8051
TIME...MOT...LOC 0152Z 239DEG 49KT 2928 8063
HAIL...0.75IN
WIND...60MPH
$$
dwsThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 7:00 PM EST | Severe Thunderstorm Warning | MLB | Lake, Orange, Osceola, Seminole | 60 min |
| Jan 22, 7:12 PM EST | Special Marine Warning | MLB | 63 min | |
| Jan 22, 7:19 PM EST | Tornado Warning | MLB | Orange, Seminole, Volusia | 41 min |
| Jan 22, 7:26 PM EST | Severe Thunderstorm Warning | MLB | Lake, Orange, Volusia | 64 min |
| Jan 22, 7:29 PM EST | Tornado Warning | MLB | Volusia | 31 min |
| Jan 22, 7:51 PM EST | Tornado Warning | MLB | Brevard, Orange, Seminole, Volusia | 39 min |
| Jan 22, 7:53 PM EST | Severe Thunderstorm Warning | MLB | Lake, Orange, Seminole, Volusia | 37 min |
| Jan 22, 8:15 PM EST | Special Marine Warning | MLB | 2 hr | |
| Jan 22, 8:36 PM EST | Special Weather Statement | MLB | Orange | 54 min |
| Jan 22, 8:59 PM EST | Special Weather Statement | MLB | Brevard, Osceola | 46 min |
| Jan 22, 9:10 PM EST | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 50 min |
| Jan 22, 9:28 PM EST | Tornado Warning | MLB | Brevard | 32 min |
| Jan 22, 9:58 PM EST | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 47 min |
| Jan 22, 9:59 PM EST | Special Weather Statement | MLB | Brevard, Indian River, Osceola | 91 min |
| Jan 22, 10:07 PM EST | Tornado Warning | MLB | Brevard | 23 min |
| Jan 22, 10:14 PM EST | Special Marine Warning | MLB | 3 hr | |
| Jan 23, 12:21 AM EST | Special Weather Statement | MLB | Indian River, Saint Lucie | 24 min |
| Jan 23, 12:40 AM EST | Special Weather Statement | MLB | Martin | 35 min |
| Jan 23, 1:14 AM EST | Special Marine Warning | MLB | 2 hr | |
| Jan 23, 3:15 AM EST | Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 15 hr |
Nearby
Severe Thunderstorm Warnings in Florida, 2017Every severe thunderstorm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.