Alert archive / Maine / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 22, NWS Caribou, ME

July 22, 2026Aroostook County, Penobscot County, Piscataquis County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jul 22, 2026, 3:27 PM EDT for Aroostook County, Penobscot County, Piscataquis County, Maine. It was in force for 32 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 22, 2026, 3:27 PM EDT (19:27 UTC)
Expired
Jul 22, 2026, 3:59 PM EDT
In force
32 min
Issued by
NWS Caribou, ME
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Aroostook County, ME, Penobscot County, ME, Piscataquis County, ME

The radar

The Caribou radar (KCBW), 81 km from the middle of the area, began a volume at 19:30 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 12:00Z, 7.5 hours before the alert went out and 256 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, Gray, ME at 12:00Z on 2026-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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, Gray, ME at 12:00Z on 2026-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897117Sfc1 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
82 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 5:57 AM EDTHigh Surf AdvisoryCARHancock, Washington14 hr
Jul 22, 1:40 PM EDTSpecial Weather StatementCARPiscataquis50 min
Jul 22, 2:07 PM EDTSpecial Weather StatementCAR38 min
Jul 22, 2:25 PM EDTSevere Thunderstorm WarningCARAroostook32 min
Jul 22, 2:46 PM EDTSevere Thunderstorm WarningCARPiscataquis44 min
Jul 22, 3:32 PM EDTSevere Thunderstorm WarningCARPiscataquis30 min
Jul 22, 3:59 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis30 min
Jul 22, 4:01 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot, Piscataquis44 min
Jul 22, 4:29 PM EDTSpecial Weather StatementCARPiscataquis46 min
Jul 22, 4:43 PM EDTSpecial Weather StatementCARAroostook47 min
Jul 22, 5:04 PM EDTSevere Thunderstorm WarningCARPiscataquis41 min
Jul 22, 6:00 PM EDTSpecial Weather StatementCARPenobscot45 min
Jul 22, 6:31 PM EDTSpecial Weather StatementCARPenobscot44 min
Jul 22, 6:48 PM EDTSpecial Weather StatementCAR27 min

Nearby

Severe Thunderstorm Warnings in Maine, 2026Every severe thunderstorm warning in 2026

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.