Alert archive / Maine / Special Weather Statements in 2021

Special Weather Statement, NWS Caribou, ME

July 23, 2021Aroostook County, Maine

NWS Caribou, ME issued this special weather statement at Jul 23, 2021, 3:08 PM EDT for Aroostook County, Maine. It was in force for 82 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 23, 2021, 3:08 PM EDT (19:08 UTC)
Expired
Jul 23, 2021, 4:30 PM EDT
In force
82 min
Issued by
NWS Caribou, ME

County Aroostook County, ME

The radar

The Caribou radar (KCBW), 110 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 66 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 2021-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Caribou, ME at 12:00Z on 2021-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
31 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1102 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

812 
WWUS81 KCAR 231908
SPSCAR

Special Weather Statement
National Weather Service Caribou ME
308 PM EDT Fri Jul 23 2021

MEZ001-002-004-232030-
Northern Piscataquis-Northeast Aroostook-Northwest Aroostook-
308 PM EDT Fri Jul 23 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PISCATAQUIS AND
CENTRAL AROOSTOOK COUNTIES...

At 307 PM EDT, a strong thunderstorm was located near Fish River
Lake, or 13 miles west of Portage, moving southwest at 15 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Portage Lake, Fish River Lake, Big Machias Lake, Russel Crossing and
Nashville Plantation.

If outdoors, consider seeking shelter inside a building.

Heavy downpours may cause ponding of water on roadways.

LAT...LON 4692 6874 4677 6851 4635 6889 4662 6934
TIME...MOT...LOC 1907Z 039DEG 14KT 4678 6877 

$$

LaFlash

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 3:58 AM EDTBeach Hazards StatementCARHancock, Washington16 hr
Jul 23, 11:15 AM EDTSpecial Weather StatementCAR60 min
Jul 23, 11:31 AM EDTSpecial Weather StatementCARPenobscot44 min
Jul 23, 11:34 AM EDTSpecial Weather StatementCARAroostook56 min
Jul 23, 11:44 AM EDTSpecial Weather StatementCARAroostook46 min
Jul 23, 12:15 PM EDTSpecial Weather StatementCARSomerset30 min
Jul 23, 12:18 PM EDTSpecial Weather StatementCAR57 min
Jul 23, 12:27 PM EDTSpecial Weather StatementCARPenobscot63 min
Jul 23, 12:32 PM EDTSpecial Weather StatementCARPiscataquis58 min
Jul 23, 12:35 PM EDTSpecial Weather StatementCARAroostook55 min
Jul 23, 12:55 PM EDTSpecial Weather StatementCARPiscataquis65 min
Jul 23, 12:57 PM EDTSpecial Weather StatementCARAroostook63 min
Jul 23, 1:14 PM EDTSpecial Weather StatementCARAroostook61 min
Jul 23, 1:39 PM EDTSpecial Weather StatementCARPenobscot66 min
Jul 23, 2:08 PM EDTSpecial Weather StatementCARAroostook67 min
Jul 23, 2:14 PM EDTSpecial Weather StatementCARAroostook61 min
Jul 23, 2:18 PM EDTSpecial Weather StatementCAR57 min
Jul 23, 2:44 PM EDTSpecial Weather StatementCARPenobscot76 min
Jul 23, 3:34 PM EDTSpecial Weather StatementCARPenobscot71 min
Jul 23, 3:46 PM EDTSpecial Weather StatementCARHancock74 min
Jul 23, 4:11 PM EDTSpecial Weather StatementCARWashington64 min
Jul 23, 4:41 PM EDTSpecial Weather StatementCARAroostook49 min
Jul 23, 5:07 PM EDTSpecial Weather StatementCARPiscataquis53 min
Jul 23, 5:23 PM EDTSpecial Weather StatementCARAroostook52 min
Jul 23, 6:11 PM EDTSevere Thunderstorm WarningCARWashington35 min
Jul 23, 7:10 PM EDTSpecial Weather StatementCAR35 min

Nearby

Special Weather Statements in Maine, 2021Every special weather statement in 2021

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.