Alert archive / Maine / Special Weather Statements in 2021

Special Weather Statement, NWS Caribou, ME

July 16, 2021Waldo County, Maine

NWS Caribou, ME issued this special weather statement at Jul 16, 2021, 12:21 PM EDT for Waldo County, Maine. It was in force for 54 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 16, 2021, 12:21 PM EDT (16:21 UTC)
Expired
Jul 16, 2021, 1:15 PM EDT
In force
54 min
Issued by
NWS Caribou, ME

County Waldo County, ME

The radar

The Portland,ME radar (KGYX), 136 km from the middle of the area, began a volume at 16:20 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, 4.4 hours before the alert went out and 136 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 2021-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 153 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, Gray, ME at 12:00Z on 2021-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
153 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1157 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

263 
WWUS81 KCAR 161621
SPSCAR

Special Weather Statement
National Weather Service Caribou ME
1221 PM EDT Fri Jul 16 2021

MEZ015-016-029-161715-
Interior Hancock-Coastal Hancock-Southern Penobscot-
1221 PM EDT Fri Jul 16 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL HANCOCK
AND SOUTHWESTERN PENOBSCOT COUNTIES...

At 1220 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Newport to near Pittsfield to near
Clinton. Movement was southeast at 30 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Bangor, Old Town, Bucksport, Newport, Orono, Brewer, Hampden, Hermon,
Corinth, Veazie, Dedham, Castine, Kenduskeag, Verona Island,
Penobscot Township, Glenburn, Orrington, Holden, Levant and Carmel.

This includes the following highways...
 Interstate 95 between mile markers 157 and 192.
 US Highway 1 near Orland.
 State Highway 11 between Newport and Corinna.
 State Highway 9 between Dixmont and Eddington.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4450 6877 4453 6880 4457 6879 4463 6884
      4468 6881 4470 6885 4464 6918 4472 6920
      4473 6927 4499 6933 4488 6856 4448 6865
      4444 6872 4446 6871 4447 6874 4444 6874
      4438 6882
TIME...MOT...LOC 1620Z 295DEG 27KT 4490 6935 4473 6937 4463 6955 

$$

AStrauser

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 8:50 PM EDTDense Fog AdvisoryCARHancock, Penobscot, Washington12 hr
Jul 16, 1:08 PM EDTSpecial Weather StatementCARHancock52 min
Jul 16, 1:45 PM EDTSpecial Weather StatementCARHancock, Washington60 min
Jul 16, 2:23 PM EDTSevere Thunderstorm WarningCARHancock67 min
Jul 16, 2:55 PM EDTSpecial Marine WarningCAR55 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.