Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 65, NWS Gray, ME

July 1, 2006Grafton County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 1, 2006, 2:13 PM EDT for Grafton County, New Hampshire. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 1, 2006, 2:13 PM EDT (18:13 UTC)
Expired
Jul 1, 2006, 3:00 PM EDT
In force
47 min
Issued by
NWS Gray, ME
Area
Counties, with a storm outline in the text

County Grafton County, NH

The radar

The Burlington radar (KCXX), 125 km from the middle of the area, began a volume at 18:13 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

Albany, NY (KALY), launched 12:00Z, 6.2 hours before the alert went out and 214 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, Albany, NY at 12:00Z on 2006-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2006-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.193958Sfc1 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
15 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gray, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 2:05 PM EDT, 8 minutes earlier.

Area forecast discussion, Jul 1, 2:05 PM EDT, 8 minutes before
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Hazardous weather outlook, Jul 1, 9:40 AM EDT, 4 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
940 AM EDT SAT JUL 1 2006

ANZ150-MEZ007>009-012>014-018>028-NHZ001>010-013-014-021345-
STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM-NORTHERN OXFORD-
NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-
NORTHERN CARROLL-SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-
MERRIMACK-BELKNAP-STRAFFORD-INTERIOR ROCKINGHAM-
COASTAL ROCKINGHAM-
940 AM EDT SAT JUL 1 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE AND NORTHERN
...CENTRAL AND SOUTHEASTERN NEW HAMPSHIRE AND THE COASTAL WATERS
FROM STONINGTON ME TO THE MERRIMACK RIVER MA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

FOR SUNDAY...

THE STORM PREDICTION CENTER HAS PLACED THE REGION IN A SLIGHT RISK
OF SEVERE WEATHER FOR SUNDAY.

A STRONG COLD FRONT WILL SWEEP ACROSS NEW HAMPSHIRE AND WESTERN
MAINE DURING THE LATE AFTERNOON AND EVENING HOURS ON SUNDAY.

THUNDERSTORMS DEVELOPING OUT AHEAD OF THIS FRONT WILL HAVE THE
POTENTIAL TO PRODUCE DAMAGING WINDS AND HAIL.

FOR TUESDAY THROUGH FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT
THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

SPOTTER ACTIVATION MAY BE NEEDED FOR SUNDAY. IF SO...SPOTTERS ARE
ENCOURAGED TO PHONE IN REPORTS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...AFTER THE DANGER FROM SEVERE
WEATHER HAS ENDED.

SJC

In the hours before

Special weather statement, Jul 1, 9:52 AM EDT, 4 hours 21 minutes before
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Special weather statement, Jul 1, 1:21 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
121 PM EDT SAT JUL 1 2006

NHZ001>003-005-011930-
NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-SOUTHERN GRAFTON-
INCLUDING THE CITIES OF...LITTLETON...LEBANON...HANOVER...
PLYMOUTH
121 PM EDT SAT JUL 1 2006

AT 115 PM DOPPLER WEATHER RADAR SHOWED SCATTERED THUNDERSTORMS
MOVING FROM VERMONT INTO NORTHERN NEW HAMPSHIRE. THESE STORMS WERE
MOVING TO THE SOUTHEAST AT 40 MPH AND MAY CONTAIN HAIL...HEAVY
RAIN...FREQUENT LIGHTNING AND WIND GUSTS OF 40 MPH AS THEY MOVE
THROUGH COOS AND GRAFTON COUNTIES THROUGH 230 PM. THESE STORMS
HAVE A HISTORY OF PRODUCING LARGE HAIL THE SIZE OF NICKELS AS
THEY MOVED THROUGH NORTHERN NEW YORK AND VERMONT.

SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES. BOATERS AND
CAMPERS SHOULD PLAN ON SEEKING SAFE SHELTER WELL BEFORE
THUNDERSTORMS ARRIVE.

MEZ007-NHZ004-011930-
NORTHERN OXFORD-NORTHERN CARROLL-
INCLUDING THE CITIES OF...ANDOVER...BYRON...MIDDLE DAM...
ROXBURY...SOUTH ARM...UPTON...WILSONS MILLS...NORTH CONWAY...
CONWAY
121 PM EDT SAT JUL 1 2006

AT 115 PM DOPPLER WEATHER RADAR SHOWED SCATTERED THUNDERSTORMS
MOVING FROM VERMONT INTO NORTHERN NEW HAMPSHIRE. THESE STORMS WERE
MOVING TO THE SOUTHEAST AT 40 MPH. THESE STORMS WILL CROSS COOS
AND GRAFTON COUNTIES OF NORTHERN NEW HAMPSHIRE THEN MOVE INTO
CARROLL COUNTY IN EASTERN NEW HAMPSHIRE AND OXFORD COUNTY IN
WESTERN MAINE AFTER 200 PM.

SOME OF THESE STORMS MAY CONTAIN HAIL...HEAVY RAIN...FREQUENT
LIGHTNING AND WIND GUSTS OF 40 MPH AS THEY MOVE THROUGH THE
REGION. THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL THE
SIZE OF NICKELS AS THEY MOVED THROUGH NORTHERN NEW YORK AND
VERMONT.

SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES. BOATERS AND
CAMPERS SHOULD PLAN ON SEEKING SAFE SHELTER WELL BEFORE
THUNDERSTORMS ARRIVE.

SJC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 3:35 PM EDTSevere Thunderstorm WarningGYXCoos, Grafton40 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2006Every severe thunderstorm warning in 2006

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.