Alert archive / Maine / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Caribou, ME

July 3, 2014Piscataquis County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jul 3, 2014, 5:40 PM EDT for Piscataquis County, Maine. It was in force for 65 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: Jul 3, 2014, 5:40 PM EDT (21:40 UTC)
Expired: Jul 3, 2014, 6:45 PM EDT
In force: 65 min
Issued by: NWS Caribou, ME
Area: Storm-based polygon

County Piscataquis County, ME

The radar

The Caribou radar (KCBW), 119 km from the middle of the area, began a volume at 21:39 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

Caribou, ME (KCAR), launched 12:00Z, 9.7 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 69 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 801 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

925 
WUUS51 KCAR 032140
SVRCAR
MEC021-032245-
/O.NEW.KCAR.SV.W.0021.140703T2140Z-140703T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
540 PM EDT THU JUL 3 2014

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL PISCATAQUIS COUNTY IN NORTH CENTRAL MAINE...

* UNTIL 645 PM EDT

* AT 537 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES SOUTHWEST OF KOKADJO...
  OR 8 MILES NORTH OF GREENVILLE...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

PLEASE REPORT SEVERE WEATHER BY CONTACTING YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR WEST CENTRAL MAINE.

&&

LAT...LON 4588 6903 4559 6895 4546 6961 4563 6970
TIME...MOT...LOC 2140Z 249DEG 24KT 4558 6952

$$

JORDAN/BOGEL

2 follow-up statements

776 
WWUS51 KCAR 032206
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
606 PM EDT THU JUL 3 2014

MEC021-032245-
/O.CON.KCAR.SV.W.0021.000000T0000Z-140703T2245Z/
PISCATAQUIS ME-
606 PM EDT THU JUL 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL PISCATAQUIS COUNTY...

AT 601 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES SOUTHEAST OF 
KOKADJO...OR 17 MILES NORTHEAST OF GREENVILLE...MOVING EAST AT 30 
MPH.

THE SEVERE THUNDERSTORM WILL MOVE ACROSS KOKADJO AND THEN REMAIN 
OVER RURAL AREAS OF THE INDICATED COUNTY.

LAT...LON 4588 6903 4559 6895 4546 6961 4563 6970
TIME...MOT...LOC 2204Z 249DEG 24KT 4564 6931

$$
HEWITT

561 
WWUS51 KCAR 032254
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
654 PM EDT THU JUL 3 2014

MEC021-032302-
/O.EXP.KCAR.SV.W.0021.000000T0000Z-140703T2245Z/
PISCATAQUIS ME-
654 PM EDT THU JUL 3 2014

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PISCATAQUIS COUNTY HAS
EXPIRED...

THE THUNDERSTORM HAS WEAKENED IN INTENSITY AND IS NO LONGER SEVERE. 

LAT...LON 4588 6903 4559 6895 4546 6961 4563 6970
TIME...MOT...LOC 2206Z 249DEG 24KT 4564 6929

$$

HEWITT

The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 3:33 PM EDT	Small Craft Advisory	CAR		11 hr
Jul 3, 3:37 PM EDT	High Surf Advisory	CAR	Hancock, Washington	48 hr
Jul 3, 4:45 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis	42 min
Jul 3, 5:17 PM EDT	Special Weather Statement	CAR	Aroostook, Piscataquis	88 min

Nearby

Severe Thunderstorm Warnings in Maine, 2014 Every severe thunderstorm warning in 2014

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.