BlockKnowlton, Iowa
8 topographic sheets cover this place, the earliest surveyed in 1955 and the latest in 1985. It stands in Jefferson Township. It lies in ZIP code area 50845. It stands on Plum Creek. The Survey maps it on the Diagonal quadrangle.
Topographic sheets covering this place
5 surveys from 8 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1955 USGS Nebraska City quadrangle1:250000, 3 printings
- 1957 USGS Nebraska City quadrangle1:250000
- 1958 USGS Nebraska City quadrangle1:250000
- 1981 USGS Diagonal quadrangle1:24000
- 1985 USGS Mount Ayr quadrangle1:100000, 2 printings
Storms near this place
12 since 2008Regional context, not property-specific evidence. The National Weather Service names Knowlton in 12 storm reports between 2008 and 2021: 6 hail, 3 flash flood, 1 thunderstorm wind, 1 heavy rain. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| June 2020 | Hail | Knowlton | $25,000 | Trained spotter reported quarter sized hail fell between 6:05am and 6:12am with some damage to cars. |
| July 2008 | Flash Flood | Knowlton | $25,000 | Heavy rainfall put the Platte River out of its banks and flash flooding was reported with water over County Road J23. The Sheriffs office has declared all roads closed north of County Road J23. County road P27 was also closed. |
| August 2016 | Flash Flood | Knowlton | $20,000 | Emergency manager reported water over several roads 2-3 miles northeast of Diagonal. Reports of up to 6 inches of rainfall in the area. |
| June 2014 | Hail | Knowlton | $10,000 | no account filed |
| June 2014 | Flash Flood | Knowlton | $5,000 | Water was reported covering the roadways in Diagonal. |
| August 2009 | Thunderstorm Wind | Knowlton | $5,000 | Trees were blown down and power was out. |
| June 2010 | Hail | Knowlton | $5,000 | no account filed |
| April 2010 | Hail | Knowlton | $1,000 | no account filed |
| April 2010 | Hail | Knowlton | $1,000 | no account filed |
| June 2021 | Funnel Cloud | Knowlton | - | Public report of a funnel cloud north of Diagonal on Hi and Dry road, relayed via social media. |
| June 2019 | Hail | Knowlton | - | Emergency management relayed public report of nickel sized hail. |
| August 2016 | Heavy Rain | Knowlton | - | Emergency manager received report of heavy rainfall of 4.4 inches storm total. Exact end time of report unknown. |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Diagonal | 1.3 miles | 8 | |
| Mortimer (historical) | 4.1 miles | 8 | |
| Polen | 5.3 miles | 8 | |
| Marshall (historical) | 7.0 miles | 13 | |
| Tingley | 7.5 miles | 8 | |
| Benton | 8.6 miles | 13 | |
| Mount Ayr | 9.3 miles | 12 | |
| Delphos | 11.2 miles | 13 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 464605. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.