Alert archive / Maine / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Caribou, ME

June 23, 2008Somerset County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jun 23, 2008, 4:56 PM EDT for Somerset County, Maine. It was in force for 49 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: Jun 23, 2008, 4:56 PM EDT (20:56 UTC)
Expired: Jun 23, 2008, 5:45 PM EDT
In force: 49 min
Issued by: NWS Caribou, ME
Area: Storm-based polygon

County Somerset County, ME

The radar

The Caribou radar (KCBW), 173 km from the middle of the area, began a volume at 20:57 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
Jun 23, 5:07 PM EDT	HAIL 0.75	1 E Billy-Jack Depot, ME	VARYING BETWEEN PENNY AND NICKEL SIZED HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Caribou, ME (KCAR), launched 12:00Z, 8.9 hours before the alert went out and 162 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: 95 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 605 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCAR 232056
SVRCAR
MEC025-232145-
/O.NEW.KCAR.SV.W.0021.080623T2056Z-080623T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
456 PM EDT MON JUN 23 2008

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL SOMERSET COUNTY IN WEST CENTRAL MAINE...

* UNTIL 545 PM EDT...

* AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED 10 MILES SOUTHWEST OF BILLY-JACK DEPOT...OR ABOUT
  28 MILES SOUTH OF ST. JUSTE...AND MOVING NORTHEAST AT 21 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BILLY-JACK DEPOT BY 515 PM EDT...

TO REPORT SEVERE WEATHER DIRECTLY TO THE NATIONAL WEATHER SERVICE...
DIAL 1-877-633-6772 OR CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN CARIBOU MAINE.

LAT...LON 4644 6970 4642 6971 4607 7018 4622 7028
      4637 7016 4637 7014 4644 7006 4652 7005
      4657 7001
TIME...MOT...LOC 2056Z 213DEG 18KT 4621 7018

$$

WALLINGFORD

2 follow-up statements

000 
WWUS51 KCAR 232137
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
530 PM EDT MON JUN 23 2008

MEC025-232145-
/O.CON.KCAR.SV.W.0021.000000T0000Z-080623T2145Z/
SOMERSET ME-
530 PM EDT MON JUN 23 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTH CENTRAL SOMERSET COUNTY...

AT 521 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
 THIS STORM WAS LOCATED NEAR BILLY-JACK DEPOT...OR ABOUT 17 MILES
SOUTH OF ST. JUSTE...MOVING NORTHEAST AT 21 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL NORTHERN SOMERSET COUNTY AT 540 PM EDT

TO REPORT SEVERE WEATHER DIRECTLY TO THE NATIONAL WEATHER SERVICE...
DIAL 1-877-633-6772 OR CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN CARIBOU MAINE.

LAT...LON 4644 6970 4642 6971 4607 7018 4622 7028
      4637 7016 4637 7014 4644 7006 4652 7005
      4657 7001
TIME...MOT...LOC 2130Z 213DEG 18KT 4635 7005

$$

WALLINGFORD

000 
WWUS51 KCAR 232146
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
546 PM EDT MON JUN 23 2008

MEC025-232156-
/O.EXP.KCAR.SV.W.0021.000000T0000Z-080623T2145Z/
SOMERSET ME-
546 PM EDT MON JUN 23 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SOMERSET COUNTY
EXPIRES AT 545 PM EDT...

TO REPORT SEVERE WEATHER DIRECTLY TO THE NATIONAL WEATHER 
SERVICE...DIAL 1-877-633-6772 OR CONTACT YOUR NEAREST LAW 
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL 
WEATHER SERVICE FORECAST OFFICE IN CARIBOU MAINE.

LAT...LON 4644 6970 4642 6971 4607 7018 4622 7028
      4637 7016 4637 7014 4644 7006 4652 7005
      4657 7001
TIME...MOT...LOC 2137Z 213DEG 18KT 4638 7002

$$

WALLINGFORD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 5:48 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	57 min

Nearby

Severe Thunderstorm Warnings in Maine, 2008 Every severe thunderstorm warning in 2008

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.