017
FXUS61 KRLX 161236
AFDRLX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
836 AM EDT SAT MAY 16 2026
WHAT HAS CHANGED
HAVE UPDATED POPS THROUGH THIS MORNING TO REFLECT THE LATEST
RADAR TRENDS, WITH THE MAIN POINT OF EMPHASIS BEING REDUCED POPS
OVER THE NEXT FEW HOURS ACROSS SOUTHEAST OHIO.
439 AM UPDATE...
NEW AVIATION DISCUSSION AT 0830Z.
KEY MESSAGES
1) SEVERE THUNDERSTORMS ARE POSSIBLE TODAY AREAWIDE AS A MID-
LEVEL DISTURBANCE APPROACHES FROM THE WEST. THE MAIN THREATS
WILL BE DAMAGING WIND GUSTS AND SOME HAIL.
2) SUMMERLIKE WEATHER IS EXPECTED BEGINNING SUNDAY AND LASTING
THROUGH THE MIDDLE OF NEXT WEEK. A BIG COOL DOWN WILL THEN
ARRIVE THURSDAY.
DISCUSSION
KEY MESSAGE 1...
A MID-LEVEL DISTURBANCE WILL APPROACH THE MIDDLE OHIO VALLEY
TODAY, BRINGING THE CHANCE OF SHOWERS AND SEVERE THUNDERSTORMS
DURING THE AFTERNOON AND EVENING HOURS.
HIGH RESOLUTION MESOSCALE MODELS SHOW A COMPLEX OF THUNDERSTORMS
DEVELOPING ACROSS INDIANA DURING THE MID-MORNING HOURS, THEN
MOVING EASTWARD INTO THE MIDDLE OHIO VALLEY BY THE EARLY
AFTERNOON. TWO SEPARATE, YET DISTINCT SHORTWAVE TROUGHS WILL
AID IN THE DEVELOPMENT OF THIS CLUSTER OF STORMS, WITH ONE
PROGRESSING EASTWARD FROM WISCONSIN/ILLINOIS/IOWA AND ANOTHER
PROGRESSING EASTWARD FROM THE LOWER OHIO VALLEY REGION.
MODELS SHOW SOMEWHAT LIMITED INSTABILITY OVER CENTRAL, NORTHERN,
AND EASTERN PARTS OF WEST VIRGINIA TODAY. MODELS ARE ONLY
FAVORING 300-600 J/KG OF CAPE IN THIS REGION. MORE FAVORABLE
INSTABILITY WILL BE LOCATED ACROSS WESTERN WEST VIRGINIA AND
NORTHEAST KENTUCKY, WITH MODELS SHOWING ANYWHERE FROM 800-1200
J/KG DURING THE AFTERNOON HOURS. MODEST 0-6 KM SHEAR OF 25-30
KTS WILL ALLOW FOR SOME SEVERE DEVELOPMENT, WITH DAMAGING WINDS
AND HAIL LIKELY BEING THE PRIMARY THREATS.
SEVERE WEATHER POTENTIAL WILL WANE AFTER SUNSET WITH THE LOSS OF
DAYTIME HEATING.
KEY MESSAGE 2...
HIGH PRESSURE WILL SHIFT OVER BERMUDA AND STRENGTHEN SUNDAY
THROUGH WEDNESDAY, LEADING TO A GRADUAL WARMING TREND.
TEMPERATURES WILL BECOME SUMMERLIKE ACROSS THE AREA WITH
WIDESPREAD HIGHS IN THE LOWER 90S EXPECTED MONDAY AND TUESDAY.
ANYONE SPENDING EXTENDED TIME OUTDOORS SHOULD ADEQUATELY HYDRATE
AND TAKE BREAKS IN THE SHADE OR AIR CONDITIONING AS NEEDED.
ALSO, CHECK ON INDIVIDUALS WHO ARE PARTICULARLY SENSITIVE TO THE
HEAT DURING THIS STRETCH OF HOT WEATHER.
*** RECORDS MAY BE BROKEN ACROSS PARTS OF THE AREA DURING THIS
STRETCH OF HOT WEATHER. MORE DETAILS ON CLIMATE RECORDS CAN BE
SEEN IN THE CLIMATE SECTION OF THIS FORECAST DISCUSSION. ***
A STRONG COLD FRONT WILL CROSS WEDNESDAY INTO THURSDAY, BRINGING
A DRAMATIC DROP IN TEMPERATURES FOR THURSDAY. TEMPERATURES WILL
ONLY REACH THE LOWER AND MIDDLE 70S FOR HIGHS ON THURSDAY
AREAWIDE.
RAIN AND/OR THUNDERSTORMS WILL LIKELY COME WITH THE SHARP DROP
IN TEMPERATURES WEDNESDAY INTO THURSDAY. HOWEVER, EXACT DETAILS
REGARDING HOW MUCH RAINFALL AND SEVERE WEATHER CHANCES ARE
UNCERTAIN AT THIS TIME. RAINFALL IS CERTAINLY NEEDED, GIVEN THE
CURRENT DROUGHT CONDITIONS.
AVIATION /12Z SATURDAY THROUGH WEDNESDAY/
STILL WATCHING FOR THE POTENTIAL FOR VERY PATCHY FOG AT CRW AND
EKN THIS MORNING.
LATER TODAY, SHOWERS AND THUNDERSTORMS WILL APPROACH FROM THE
WEST. THE ONSET OF SHOWERS AND STORMS WILL OCCUR FROM ABOUT 17Z
TO 19Z FROM WEST TO EAST. A STRONG THUNDERSTORM COULD BRING WIND
GUSTS 30-40+ KTS FOR A BRIEF TIME, ALONG WITH VISIBILITY DROPS
IN HEAVY RAINFALL. THE CHANCE OF THUNDERSTORMS SHOULD DIMINISH
AFTER SUNSET, THEN ANY PRECIPITATION LATE IN THE EVENING SHOULD
BE JUST RAIN. CEILINGS AFTER SUNSET WILL LOWER TO MVFR ACROSS
NORTHERN WEST VIRGINIA TERMINALS.
IN ADDITION, A BRIEF PERIOD OF LLWS IS EXPECTED BETWEEN 00Z TO
09Z SUNDAY AT HTS, CRW, AND EKN WITH THE PASSAGE OF A LOW-LEVEL
JET.
FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 12Z SUNDAY...
FORECAST CONFIDENCE: MEDIUM.
ALTERNATE SCENARIOS: FOG MAY NOT DEVELOP THIS MORNING AT KEKN OR
KCRW. THUNDERSTORMS MAY BE MORE ISOLATED THAN EXPECTED. MVFR
CEILINGS THIS EVENING COULD BE MORE WIDESPREAD.
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.
UTC 1HRLY 12 13 14 15 16 17 18 19 20 21 22 23
EDT 1HRLY 08 09 10 11 12 13 14 15 16 17 18 19
CRW CONSISTENCY H H H H H H H H H H H H
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 H H H H H H H H
PKB CONSISTENCY H H H H H H H H H M H H
CKB CONSISTENCY H H H H H H H H H H H M
AFTER 12Z SUNDAY...
NO WIDESPREAD IFR EXPECTED AT THIS TIME.
CLIMATE
FORECAST / RECORD HIGH TEMPERATURES
---------------------------------------
MON, 5/18 | TUE, 5/19 |
---------------------------------------
CRW | 90 / 92 (1982) | 92 / 95 (1931) |
HTS | 91 / 92 (1962) | 92 / 92 (1996) |
CKB | 89 / 92 (1962) | 92 / 90 (1959) |
PKB | 90 / 95 (1962) | 93 / 90 (1964) |
BKW | 84 / 87 (1996) | 86 / 89 (1996) |
EKN | 85 / 89 (1911) | 89 / 93 (1996) |
---------------------------------------
FORECAST / RECORD HIGH MINIMUM TEMPERATURES
--------------------------------------------------------
MON, 5/18 | TUE, 5/19 | WED, 5/20 |
--------------------------------------------------------
CRW | 64 / 66 (2020) | 67 / 67 (1987) | 66 / 67 (1910) |
HTS | 65 / 68 (2017) | 69 / 67 (2019) | 65 / 70 (1996) |
CKB | 63 / 64 (2020) | 67 / 66 (2017) | 65 / 66 (2018) |
PKB | 65 / 68 (2017) | 70 / 66 (1949) | 66 / 68 (1996) |
BKW | 63 / 63 (2015) | 64 / 66 (2019) | 64 / 64 (2022) |
EKN | 60 / 61 (2018) | 62 / 62 (2000) | 64 / 65 (1902) |
--------------------------------------------------------
RLX WATCHES/WARNINGS/ADVISORIES
WV...NONE.
OH...NONE.
KY...NONE.
VA...NONE.
DISCUSSION...GW/26
AVIATION...26
CLIMATE...26
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