Alert archive / Florida / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 2, NWS Miami, FL

January 23, 2017Glades County, Hendry County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jan 23, 2017, 12:25 AM EST for Glades County, Hendry County, Palm Beach 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 outline as issued.

The facts

Issued
Jan 23, 2017, 12:25 AM EST (05:25 UTC)
Expired
Jan 23, 2017, 1:15 AM EST
In force
50 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Glades County, FL, Hendry County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 126 km from the middle of the area, began a volume at 05:27 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.

IssuedProductOfficeLasted
Jan 22, 9:57 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 5.4 hours before the alert went out and 109 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2017-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 635 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2017-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
635 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

475 
WUUS52 KMFL 230525
SVRMFL
FLC043-051-099-230615-
/O.NEW.KMFL.SV.W.0002.170123T0525Z-170123T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
1225 AM EST MON JAN 23 2017

The National Weather Service in Miami has issued a

* Severe Thunderstorm Warning for...
  Northeastern Hendry County in southern Florida...
  Southeastern Glades County in southern Florida...
  Western Palm Beach County in southeastern Florida...

* Until 115 AM EST

* At 1225 AM EST, severe thunderstorms were located along a line
  extending from near Clewiston to 8 miles southwest of Devils
  Garden, moving east at 30 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Belle Glade, Clewiston, Pahokee, South Bay and Montura. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 600 AM EST for southern and
southeastern Florida.

LAT...LON 2645 8055 2645 8127 2680 8098 2683 8086
      2679 8082 2685 8076 2692 8045
TIME...MOT...LOC 0525Z 250DEG 28KT 2671 8095 2650 8120 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

ALM
1 follow-up statement
673 
WWUS52 KMFL 230546
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
1246 AM EST MON JAN 23 2017

FLC043-230556-
/O.CAN.KMFL.SV.W.0002.000000T0000Z-170123T0615Z/
Glades FL-
1246 AM EST MON JAN 23 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GLADES COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 600 AM EST for southern and
southeastern Florida.

LAT...LON 2645 8055 2645 8101 2646 8104 2685 8077
      2692 8045
TIME...MOT...LOC 0546Z 251DEG 68KT 2688 8056 2654 8090 

$$

FLC051-099-230615-
/O.CON.KMFL.SV.W.0002.000000T0000Z-170123T0615Z/
Hendry FL-Palm Beach FL-
1246 AM EST MON JAN 23 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EST
FOR EAST CENTRAL HENDRY AND WESTERN PALM BEACH COUNTIES...

At 1246 AM EST, severe thunderstorms were located along a line
extending from near Canal Point to 10 miles northwest of Rotenberger
Wildlife Refuge, moving east at 80 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Belle Glade, Pahokee, South Bay, Canal Point and Lake Harbor. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 600 AM EST for southern and
southeastern Florida.

LAT...LON 2645 8055 2645 8101 2646 8104 2685 8077
      2692 8045
TIME...MOT...LOC 0546Z 251DEG 68KT 2688 8056 2654 8090 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

ALM

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 22, 11:15 PM ESTSpecial Weather StatementMFLGlades, Hendry60 min
Jan 22, 11:32 PM ESTSpecial Marine WarningMFL28 min
Jan 22, 11:50 PM ESTSpecial Marine WarningMFL25 min
Jan 23, 12:03 AM ESTSpecial Marine WarningMFL57 min
Jan 23, 12:03 AM ESTSpecial Weather StatementMFLCollier, Glades, Hendry, Palm Beach57 min
Jan 23, 12:20 AM ESTSpecial Marine WarningMFL25 min
Jan 23, 12:36 AM ESTSevere Thunderstorm WarningMFLCollier24 min
Jan 23, 12:46 AM ESTSpecial Marine WarningMFL44 min
Jan 23, 12:54 AM ESTSpecial Weather StatementMFLBroward, Collier, Palm Beach66 min
Jan 23, 12:58 AM ESTTornado WarningMFLPalm Beach32 min
Jan 23, 1:03 AM ESTSevere Thunderstorm WarningMFLCollier42 min
Jan 23, 1:12 AM ESTSpecial Marine WarningMFL63 min
Jan 23, 1:17 AM ESTTornado WarningMFLPalm Beach28 min
Jan 23, 1:25 AM ESTTornado WarningMFLCollier20 min
Jan 23, 1:26 AM ESTSpecial Marine WarningMFL94 min
Jan 23, 1:41 AM ESTTornado WarningMFLPalm Beach10 min
Jan 23, 1:52 AM ESTSpecial Marine WarningMFL83 min
Jan 23, 1:56 AM ESTSpecial Weather StatementMFLBroward, Monroe, Palm Beach64 min
Jan 23, 2:02 AM ESTSevere Thunderstorm WarningMFLPalm Beach43 min
Jan 23, 2:23 AM ESTWind AdvisoryMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more17 hr
Jan 23, 2:29 AM ESTSevere Thunderstorm WarningMFLBroward31 min
Jan 23, 2:48 AM ESTSpecial Weather StatementMFLBroward, Miami-Dade, Monroe87 min
Jan 23, 2:49 AM ESTSpecial Weather StatementMFLMonroe26 min
Jan 23, 2:54 AM ESTSevere Thunderstorm WarningMFLBroward36 min
Jan 23, 2:56 AM ESTTornado WarningMFLMiami-Dade, Monroe34 min
Jan 23, 2:57 AM ESTSpecial Marine WarningMFL63 min
Jan 23, 3:06 AM ESTSpecial Marine WarningMFL84 min
Jan 23, 3:35 AM ESTSevere Thunderstorm WarningMFLBroward, Miami-Dade, Monroe40 min
Jan 23, 3:42 AM ESTSpecial Marine WarningMFL48 min
Jan 23, 3:44 AM ESTTornado WarningMFLMiami-Dade19 min
Jan 23, 4:01 AM ESTSpecial Weather StatementMFLMiami-Dade44 min
Jan 23, 4:15 AM ESTSevere Thunderstorm WarningMFLMiami-Dade11 min
Jan 23, 4:19 AM ESTSpecial Marine WarningMFL41 min
Jan 23, 4:55 AM ESTSpecial Marine WarningMFL50 min
Jan 23, 5:43 AM ESTSpecial Marine WarningMFL32 min
Jan 23, 5:43 AM ESTSpecial Marine WarningMFL32 min
Jan 23, 6:12 AM ESTSpecial Marine WarningMFL48 min
Jan 23, 7:03 AM ESTSpecial Weather StatementMFLCollier, Glades, Hendry87 min
Jan 23, 7:45 AM ESTSpecial Marine WarningMFL60 min
Jan 23, 8:30 AM ESTSpecial Weather StatementMFLPalm Beach75 min
Jan 23, 9:52 AM ESTSpecial Weather StatementMFLMiami-Dade53 min
Jan 23, 10:38 AM ESTSpecial Marine WarningMFL82 min
Jan 23, 11:34 AM ESTSpecial Marine WarningMFL56 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.