Alert archive / Maine / Special Weather Statements in 2025

Special Weather Statement, NWS Caribou, ME

July 20, 2025Hancock County, Maine

NWS Caribou, ME issued this special weather statement at Jul 20, 2025, 2:48 PM EDT for Hancock County, Maine. It was in force for 42 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 20, 2025, 2:48 PM EDT (18:48 UTC)
Expired
Jul 20, 2025, 3:30 PM EDT
In force
42 min
Issued by
NWS Caribou, ME
Hail
0.00 in
Wind
40

County Hancock County, ME

The radar

The Portland,ME radar (KGYX), 151 km from the middle of the area, began a volume at 18:48 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, 6.8 hours before the alert went out and 295 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, Caribou, ME at 12:00Z on 2025-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Caribou, ME at 12:00Z on 2025-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1428 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

860 
WWUS81 KCAR 201848
SPSCAR

Special Weather Statement
National Weather Service Caribou ME
248 PM EDT Sun Jul 20 2025
 
MEZ029-201930-
Coastal Hancock ME-
248 PM EDT Sun Jul 20 2025

...STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN HANCOCK COUNTY
THROUGH 330 PM EDT...

At 248 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms near Deer Isle, or 9 miles south of Blue Hill, moving
east at 35 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Blue Hill, Deer Isle, Tremont, Sedgwick, Brooksville, Brooklin, Swans
Island, Cranberry Isles, and Frenchboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4423 6872 4423 6868 4424 6870 4428 6868
      4427 6871 4430 6869 4431 6870 4440 6866
      4430 6807 4430 6814 4427 6816 4423 6815
      4420 6820 4418 6819 4413 6820 4411 6824
      4411 6828 4409 6829
TIME...MOT...LOC 1848Z 288DEG 31KT 4430 6860 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Duda

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 2:38 PM EDTSpecial Marine WarningCAR52 min
Jul 20, 2:51 PM EDTAreal Flood AdvisoryCARHancock, Washington3 hr

Nearby

Special Weather Statements in Maine, 2025Every special weather statement in 2025

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.