537
FXUS61 KRLX 300009
AFDRLX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
809 PM EDT SUN JUN 29 2025
SYNOPSIS
PRIMARILY DIURNALLY DRIVEN CONVECTION THROUGH MONDAY. COLD
FRONTAL PASSAGE TUESDAY WITH STRONG TO SEVERE STORMS. DRIER
AIRMASS SETTLES IN FOR MUCH OF THE REMAINDER OF THE WEEK.
NEAR TERM /THROUGH MONDAY/
AS OF 700 PM SUNDAY...
TWEAKED POPS A BIT INITIALLY FOR CURRENT CONDITIONS AND TRENDS,
ESPECIALLY TO ACCOUNT FOR SOMEWHAT HIGHER POPS NEEDED FOR OUR
FAR NORTHWEST, AS WELL AS AROUND AND WEST OF CLARKSBURG.
HOWEVER, ACTIVITY SHOULD BE MOSTLY CALMING DOWN OVER THE NEXT
OUR OR TWO, SO POPS WERE ALLOWED TO DROP OFF AS DEPICTED
PREVIOUSLY. NO MAJOR CHANGES MADE OTHERWISE.
AS OF 130 PM SUNDAY...
KEY MESSAGES:
* ANOTHER ROUND OF DIURNALLY ENHANCED STORMS TODAY AND MONDAY
MAY PRODUCE LOCALLY GUSTY WINDS AND HEAVY RAIN
* STRONG TO SEVERE STORMS ARE POSSIBLE TUESDAY AHEAD OF AND BEHIND A
COLD FRONT
* A BREAK FROM THE HOT (BRIEF) AND HUMID (LESS BRIEF) AND STORMY
WEATHER IS EXPECTED THROUGH THE END OF THE WEEK
THE REGION REMAINS MIRED IN A STAGNANT, WEAK FLOW REGIME AT THE
WESTERN PERIPHERY OF THE BERMUDA HIGH SOUTH OF A NEARLY STATIONARY
BOUNDARY LOCATED JUST NORTH OF THE FORECAST AREA THROUGH TONIGHT.
THIS WILL YIELD SIMILAR CONDITIONS TO THE LAST SEVERAL DAYS
(ALTHOUGH LIKELY LESSER COVERAGE), ISOLATED TO SCATTERED DIURNALLY
FORCED CONVECTION AMIDST A VERY MOIST AIRMASS. THE MAIN THREATS WITH
THIS ACTIVITY WILL BE: SLOW MOVING STORMS PRODUCING LOCALIZED HEAVY
RAIN WHICH MAY PRODUCE LOCALIZED WATER ISSUES. WET MICROBURSTS GIVEN
STEEP LOW LEVEL LAPSE RATES WITH ANY INITIAL CONVECTION PRODUCING
LOCALIZED GUSTY WINDS SUFFICIENT FOR TREE DAMAGE IN APPALACHIA
(GENERALLY 45+ MPH), IN ADDITION, BRIEF BUT VERY HIGH RAINFALL RATES
(1-2" IN 15 MINUTES) ASSOCIATED WITH CORE DROPS CAN PRODUCE
SIGNIFICANT, BUT EXTREMELY LOCALIZED FLASH FLOODING, ESPECIALLY OVER
AREAS THAT ARE ALREADY SATURATED FROM RECENT HIGHLY LOCALIZED
RAINFALL. THE RISK FOR LARGE HAIL REMAINS RATHER LOW WITH WET BULB
ZEROS GENERALLY IN EXCESS OF 14KFT.
MUCH LIKE THE LAST FEW DAYS, MOST SPOTS WILL NOT EXPERIENCE THIS
ACTIVITY GIVEN ONLY ISOLATED TO SCATTERED COVERAGE, BUT MOST WILL BE
ABLE TO SEE AND/OR POSSIBLY HEAR IT ON THE HORIZON. THIS ACTIVITY
SHOULD SETTLE DOWN BY THIS EVENING, SAVE FOR PERHAPS A LINGERING
UPDRAFT OR TWO CLOSER TO THE AFOREMENTIONED FRONT WHERE FLOW
THOUGH THE COLUMN WILL BE SLIGHTLY STRONGER.
EXPECT A BIT MORE CONVECTIVE COVERAGE ON MONDAY AS SOUTHWESTERLY
FLOW BEGINS TO INCREASE AHEAD OF AN APPROACHING MID-LEVEL WAVE AND
ASSOCIATED COLD FRONT SLATED TO ARRIVE ACROSS OUR WEST LATE MONDAY
NIGHT. THE DIURNALLY ENHANCED ACTIVITY A MODEST INCREASE IN DEEP
LAYER SHEAR TO WORK WITH, PERHAPS 20KTS OR SO SUGGESTING MORE MULTI-
CELLULAR DEVELOPMENT VS MORE PULSE STORMS. AS COLUMN MOISTURE
REMAINS ANOMOUSLY HIGH AND LOW LEVEL LAPSE RATES REMAIN RATHER
STRONG DURING PEAK HEATING COULD CONTINUE TO SEE A THREAT FOR
WET MICROBURSTS PRODUCING MARGINALLY SEVERE WINDS MONDAY
AFTERNOON.
SHORT TERM /MONDAY NIGHT THROUGH TUESDAY NIGHT/
AS OF 130 PM SUNDAY...
THE AFOREMENTIONED COLD FRONT IN THE NEAR TERM DISCUSSION
STARTS PUSHING THROUGH THE FORECAST AREA TUESDAY MORNING AND IS
EXPECTED TO ROUGHLY BISECT THE REGION AS WE MOVE INTO AFTERNOON
PEAK HEATING. ASCENT ASSOCIATED WITH THIS FEATURE SHOULD PROVIDE
A FOCUS FOR STRONG TO SEVERE CONVECTION TUESDAY AFTERNOON FOR
THE EASTERN HALF OF THE AREA WITH MAINLY A DAMAGING WIND THREAT
EXPECTED BEFORE FORCING EXITS EAST. COOLER AIR MOVING IN ALOFT
BEHIND THE FRONT COUPLED WITH STRONG INSOLATION IN ANY CLEARING
IN ITS WAKE MAY PROVIDE ANOTHER OPPORTUNITY FOR ADDITIONAL
STORMS LATE TUESDAY AFTERNOON INTO TUESDAY EVENING CLOSER TO THE
OHIO RIVER. WITH COOLER TEMPERATURES ALOFT THIS COULD ADD IN A
MARGINAL HAIL THREAT TO THE MARGINAL WIND THREAT, IF IT
MATERIALIZES.
LONG TERM /WEDNESDAY THROUGH SUNDAY/
AS OF 135 PM SUNDAY...
COOLER AND LESS HUMID IN THE WAKE OF THE FRONT, BUT WARMING BACK UP
AGAIN HEADING INTO NEXT WEEKEND. WHILE TEMPERATURES ARE EXPECTED TO
ONLY TAKE BRIEF BREAK FROM THE HEAT, SHOULD SEE DEW POINT VALUES
REMAINING IN THE UPPER 50S TO LOWER 60S THROUGH MUCH OF THE WORK
WEEK WITH AFTERNOON HEAT INDICES ONLY IN THE 80S UNTIL WE GET
TO THE HOLIDAY WEEKEND. A WEAK BACKDOOR COLD FRONT TRIES TO
SQUEEZE DOWN FROM THE SOUTH THURSDAY INTO FRIDAY WHICH COULD
PROVIDE SOME LOW END PRECIPITATION CHANCES, BUT OTHERWISE A DRY
FORECAST IS EXPECTED FOR MUCH OF THE LONG TERM PERIOD.
AVIATION /00Z MONDAY THROUGH FRIDAY/
AS OF 740 PM SUNDAY...
A FEW STRAY SHOWERS MAY CONTINUE ACROSS THE NORTHERN AND EASTERN
PARTS OF THE CWA INITIALLY, BUT ALL SHOULD BE DISSIPATED BY
AROUND 02Z, IF NOT SOONER. PARTLY CLOUDY SKIES EXPECTED
OVERNIGHT, AS SOME MID AND HIGH LEVEL CLOUDS LINGER FROM
DAYTIME CONVECTION BUT GRADUALLY DIMINISH.
WITH ANOTHER CALM AND SOUPY NIGHT IN STORE, CAN EXPECT MORE
VALLEY FOG TO DEVELOP. FOR NOW, LEFT HTS OUT OF ANY FOG, AND
KEPT VISIBILITY REDUCTIONS LIMITED AT PKB AND CKB. HOWEVER,
EXPECT CRW AND EKN COULD AGAIN GO DOWN AT LEAST TO IFR, IF NOT
LIFR FOR A FEW HOURS BEFORE DAWN. OTHERWISE, TOMORROW WILL
FEATURE GENTLE S-SW'LY BREEZES DEVELOPING, ALONG WITH SOME MORE
WIDESPREAD PM SHOWER AND THUNDERSTORM ACTIVITY.
FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 00Z TUESDAY...
FORECAST CONFIDENCE: MEDIUM.
ALTERNATE SCENARIOS: FOG COVERAGE AND TIMING TONIGHT MAY VARY
FROM THE FORECAST.
EXPERIMENTAL TABLE OF FLIGHT CATEGORY OBJECTIVELY SHOWS CONSISTENCY
OF WFO FORECAST TO AVAILABLE MODEL INFORMATION:
H = HIGH: TAF CONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL.
M = MEDIUM: TAF HAS VARYING LEVEL OF CONSISTENCY WITH MODELS.
L = LOW: TAF INCONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL.
DATE MON 06/30/25
UTC 1HRLY 00 01 02 03 04 05 06 07 08 09 10 11
EDT 1HRLY 20 21 22 23 00 01 02 03 04 05 06 07
CRW CONSISTENCY H H H H H H L L L L M L
HTS CONSISTENCY H H H H H H H H H H H H
BKW CONSISTENCY H H H H H H H H H H H H
EKN CONSISTENCY H H H H L L L H M M M M
PKB CONSISTENCY H H H H H H L H L H H L
CKB CONSISTENCY H H H H H H L L L H L L
AFTER 00Z TUESDAY...
IFR CONDITIONS POSSIBLE IN THUNDERSTORMS THROUGH TUESDAY AND
IN MORNING FOG WEDNESDAY MORNING.
RLX WATCHES/WARNINGS/ADVISORIES
WV...NONE.
OH...NONE.
KY...NONE.
VA...NONE.
SYNOPSIS...FK/JP
NEAR TERM...FK/JP
SHORT TERM...JP
LONG TERM...FK
AVIATION...JP
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