Alert archive / New Hampshire / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 2, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at May 20, 1998, 8:24 PM EDT for Strafford County, New Hampshire. It was in force for 31 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
- May 20, 1998, 8:24 PM EDT (00:24 UTC)
- Expired
- May 20, 1998, 8:55 PM EDT
- In force
- 31 min
- Issued by
- NWS Gray, ME
- Area
- Whole counties
County Strafford County, NH
The radar
The Portland,ME radar (KGYX), 91 km from the middle of the area, began a volume at 00:26 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
Gray, ME (KGYX), launched 00:00Z, 0.4 hours before the alert went out and 90 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
- 2 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 2176 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
568 WUUS1 KPWM 210027 RRA SVRPWM NHC017-210055- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GRAY ME 824 PM EDT WED MAY 20 1998 THE NATIONAL WEATHER SERVICE IN GRAY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... STRAFFORD COUNTY IN CENTRAL NEW HAMPSHIRE * UNTIL 855 PM EDT * AT 820 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR JUST WEST OF BOW LAKE...MOVING EAST AT 30 MPH. A SEVERE THUNDERSTORM ACCOMPANIED BY LARGE HAIL...GUSTY WINDS AND HEAVY RAIN WILL CROSS STRAFFORD COUNTY. THIS IS A DANGEROUS STORM STAY AWAY FROM WINDOWS. HJL
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.
In the hours before
Special weather statement, May 20, 3:28 PM EDT, 4 hours 56 minutes before
MEZ007-012-018-019-NHZ001>010-013-202225- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 328 PM EDT WED MAY 20 1998 ...STRONG THUNDERSTORMS POSSIBLE OVER NEW HAMPSHIRE AND WESTERN MAINE... A LINE OF THUNDERSTORMS WHICH DEVELOPED OVER EASTERN NEW YORK AND VERMONT DURING THE MID AFTERNOON HOURS WILL CROSS INTO NEW HAMPSHIRE AND WESTERN MAINE THIS EVENING. THE STRONGEST STORMS ARE EXPECTED ALONG THE CONNECTICUT RIVER VALLEY...THE STORZMS SHOULD THEN WEAKEN AS THEY MOVE TOWARD THE MAINE BORDER. THESE STORMS MAY BE ACCOMPANIED BY HAIL...STRONG WINDS AND HEAVY RAIN. PEOPLE OUT DOORS THIS EVENING SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES. LULOFS
Special weather statement, May 20, 3:28 PM EDT, 4 hours 56 minutes before
MEZ007-012-018-019-NHZ001>010-013-202225- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 328 PM EDT WED MAY 20 1998 ...STRONG THUNDERSTORMS POSSIBLE OVER NEW HAMPSHIRE AND WESTERN MAINE... A LINE OF THUNDERSTORMS WHICH DEVELOPED OVER EASTERN NEW YORK AND VERMONT DURING THE MID AFTERNOON HOURS WILL CROSS INTO NEW HAMPSHIRE AND WESTERN MAINE THIS EVENING. THE STRONGEST STORMS ARE EXPECTED ALONG THE CONNECTICUT RIVER VALLEY...THE STORZMS SHOULD THEN WEAKEN AS THEY MOVE TOWARD THE MAINE BORDER. THESE STORMS MAY BE ACCOMPANIED BY HAIL...STRONG WINDS AND HEAVY RAIN. PEOPLE OUT DOORS THIS EVENING SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES. LULOFS
Nearby
Severe Thunderstorm Warnings in New Hampshire, 1998Every severe thunderstorm warning in 1998
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.